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Merge branch 'master' into viewport

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# Conflicts:
#	examples/imgui_impl_opengl2.cpp
#	examples/imgui_impl_opengl2.h
#	examples/imgui_impl_opengl3.cpp
#	examples/imgui_impl_opengl3.h
#	imgui.cpp
#	imgui.h
This commit is contained in:
omar 2018-06-14 15:30:15 +02:00
commit 70b0bd13aa
15 changed files with 598 additions and 187 deletions
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23
CHANGELOG.txt
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@ -63,9 +63,11 @@ Other Changes:
- Each example still has its own main.cpp which you may refer you to understand how to initialize and glue everything together.
- Some frameworks (such as the Allegro, Marmalade) handle both the "platform" and "rendering" part, and your custom engine may as well.
- Read examples/README.txt for details.
- Added IsItemDeactivated() to query if the last item was active previously and isn't anymore. Useful for Undo/Redo patterns. (#820, #956, #1875)
- Added IsItemDeactivatedAfterChange() if the last item was active previously, isn't anymore, and during its active state modified a value.
Note that you may still get false positive (e.g. drag value and while holding return on the same value). (#820, #956, #1875)
- Nav: Added support for PageUp/PageDown (explorer-style: first aim at bottom/top most item, when scroll a page worth of contents). (#787)
- Nav: To keep the navigated item in view we also attempt to scroll the parent window as well as the current window. (#787)
- TreeNode: Fixed nodes with ImGuiTreeNodeFlags_Leaf flag always returning true which was meaningless.
- ColorEdit3, ColorEdit4, ColorButton: Added ImGuiColorEditFlags_NoDragDrop flag to disable ColorEditX as drag target and ColorButton as drag source. (#1826)
- BeginDragDropSource(): Offset tooltip position so it is off the mouse cursor, but also closer to it than regular tooltips, and not clamped by viewport. (#1739)
- BeginDragDropTarget(): Added ImGuiDragDropFlags_AcceptNoPreviewTooltip flag to request hiding the drag source tooltip from the target site. (#143)
@ -79,7 +81,8 @@ Other Changes:
- Examples: GLFW: Made it possible to Shutdown/Init the backend again (by reseting the time storage properly). (#1827) [@ice1000]
- Examples: Win32: Fixed handling of mouse wheel messages to support sub-unit scrolling messages (typically sent by track-pads). (#1874) [@zx64]
- Examples: Added SDL+Vulkan example.
- Examples: Allegro5: Added support for ImGuiConfigFlags_NoMouseCursorChange flag.
- Examples: Allegro5: Added support for ImGuiConfigFlags_NoMouseCursorChange flag. Added clipboard support.
- Examples: Allegro5: Unindexing buffers ourselves as Allegro indexed drawing primitives are buggy in the DirectX9 back-end.
- Examples: FreeGLUT: Added FreeGLUT bindings. Added FreeGLUT+OpenGL2 example. (#801)
- Misc: Updated stb_textedit from 1.09 + patches to 1.12 + minor patches.
- Internals: PushItemFlag() flags are inherited by BeginChild().
@ -490,6 +493,7 @@ Breaking Changes:
- Renamed `AlignFirstTextHeightToWidgets()` to `AlignTextToFramePadding()`. Kept inline redirection function (will obsolete).
- Obsoleted the legacy 5 parameters version of Begin(). Please avoid using it. If you need a transparent window background, uses `PushStyleColor()`. The old size parameter there was also misleading and equivalent to calling `SetNextWindowSize(size, ImGuiCond_FirstTimeEver)`. Kept inline redirection function (will obsolete).
- Obsoleted `IsItemHoveredRect()`, `IsMouseHoveringWindow()` in favor of using the newly introduced flags of `IsItemHovered()` and `IsWindowHovered()`. Kept inline redirection function (will obsolete). (#1382)
- Obsoleted 'SetNextWindowPosCenter()' in favor of using 1SetNextWindowPos()` with a pivot value which allows to do the same and more. Keep inline redirection function.
- Removed `IsItemRectHovered()`, `IsWindowRectHovered()` recently introduced in 1.51 which were merely the more consistent/correct names for the above functions which are now obsolete anyway. (#1382)
- Changed `IsWindowHovered()` default parameters behavior to return false if an item is active in another window (e.g. click-dragging item from another window to this window). You can use the newly introduced IsWindowHovered() flags to requests this specific behavior if you need it. (#1382)
- Renamed imconfig.h's `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS` to `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS` for consistency.
@ -518,13 +522,14 @@ Other Changes:
- Trees: Fixed calling `SetNextTreeNodeOpen()` on a collapsed window leaking to the first tree node item of the next frame.
- Layout: Horizontal layout is automatically enforced in a menu bar, so you can use non-MenuItem elements without calling SameLine().
- Separator: Output a vertical separator when used inside a menu bar (or in general when horizontal layout is active, but that isn't exposed yet!).
- Windows: Added `IsWindowAppearing()` helper (helpful e.g. as a condition before initializing some of your own things.).
- Windows: Fixed title bar color of top-most window under a modal window.
- Windows: Fixed not being able to move a window by clicking on one of its child window. (#1337, #635)
- Windows: Fixed `Begin()` auto-fit calculation code that predict the presence of a scrollbar so it works better when window size constraints are used.
- Windows: Fixed calling `Begin()` more than once per frame setting `window_just_activated_by_user` which in turn would set enable the Appearing condition for that frame.
- Windows: The implicit "Debug" window now uses a "Debug##Default" identifier instead of "Debug" to allow user creating a window called "Debug" without losing their custom flags.
- Windows: Made the `ImGuiWindowFlags_NoMove` flag properly inherited from parent to child. In a setup with ParentWindow (no flag) -> Child (NoMove) -> SubChild (no flag), the user won't be able to move the parent window by clicking on SubChild. (#1381)
- Window: Added `IsWindowAppearing()` helper (helpful e.g. as a condition before initializing some of your own things.).
- Window: Added pivot parameter to `SetNextWindowPos()`, making it possible to center or right align a window. Obsoleted `SetNextWindowPosCenter()`.
- Window: Fixed title bar color of top-most window under a modal window.
- Window: Fixed not being able to move a window by clicking on one of its child window. (#1337, #635)
- Window: Fixed `Begin()` auto-fit calculation code that predict the presence of a scrollbar so it works better when window size constraints are used.
- Window: Fixed calling `Begin()` more than once per frame setting `window_just_activated_by_user` which in turn would set enable the Appearing condition for that frame.
- Window: The implicit "Debug" window now uses a "Debug##Default" identifier instead of "Debug" to allow user creating a window called "Debug" without losing their custom flags.
- Window: Made the `ImGuiWindowFlags_NoMove` flag properly inherited from parent to child. In a setup with ParentWindow (no flag) -> Child (NoMove) -> SubChild (no flag), the user won't be able to move the parent window by clicking on SubChild. (#1381)
- Popups: Pop-ups can be closed with a right-click anywhere, without altering focus under the pop-up. (~#439)
- Popups: `BeginPopupContextItem()`, `BeginPopupContextWindow()` are now setup to allow reopening a context menu by right-clicking again. (~#439)
- Popups: `BeginPopupContextItem()` now supports a NULL string identifier and uses the last item ID if available.

1
examples/.gitignore vendored
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@ -10,6 +10,7 @@ build/*
*.o
*.obj
*.exe
*.log
*.pdb
*.ilk
*.VC.db

4
examples/example_allegro5/README.md
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@ -12,12 +12,12 @@ Note that the back-end supports _BOTH_ 16-bit and 32-bit indices, but 32-bit ind
- On Ubuntu 14.04+
```bash
g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. main.cpp imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_primitives -o allegro5_example
g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. main.cpp ..\imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_primitives -o allegro5_example
```
- On Windows with Visual Studio's CLI
```
set ALLEGRODIR=path_to_your_allegro5_folder
cl /Zi /MD /I %ALLEGRODIR%\include /DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" /I .. /I ..\.. main.cpp imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib
cl /Zi /MD /I %ALLEGRODIR%\include /DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" /I .. /I ..\.. main.cpp ..\imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib
```

173
examples/example_allegro5/example_allegro5.vcxproj Normal file
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@ -0,0 +1,173 @@
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52
examples/example_allegro5/example_allegro5.vcxproj.filters Normal file
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@ -0,0 +1,52 @@
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103
examples/imgui_impl_allegro5.cpp
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@ -3,10 +3,11 @@
// Implemented features:
// [X] Renderer: User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Platform: Clipboard support (from Allegro 5.1.12)
// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
// Issues:
// [ ] Renderer: The renderer is suboptimal as we need to convert vertices.
// [ ] Platform: Clipboard support via al_set_clipboard_text/al_clipboard_has_text.
// [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert the format of vertices.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
@ -15,6 +16,9 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-06-13: Platform: Added clipboard support (from Allegro 5.1.12).
// 2018-06-13: Renderer: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle.
// 2018-06-13: Renderer: Backup/restore transform and clipping rectangle.
// 2018-06-11: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag.
// 2018-04-18: Misc: Renamed file from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp.
// 2018-04-18: Misc: Added support for 32-bits vertex indices to avoid conversion at runtime. Added imconfig_allegro5.h to enforce 32-bit indices when included from imgui.h.
@ -26,12 +30,19 @@
#include <cstring> // memcpy
#include "imgui.h"
#include "imgui_impl_allegro5.h"
// Allegro
#include <allegro5/allegro.h>
#include <allegro5/allegro_primitives.h>
#ifdef _WIN32
#include <allegro5/allegro_windows.h>
#endif
#define ALLEGRO_HAS_CLIPBOARD (ALLEGRO_VERSION_INT >= ((5 << 24) | (1 << 16) | (12 << 8))) // Clipboard only supported from Allegro 5.1.12
// Visual Studio warnings
#ifdef _MSC_VER
#pragma warning (disable: 4127) // condition expression is constant
#endif
// Data
static ALLEGRO_DISPLAY* g_Display = NULL;
@ -39,6 +50,7 @@ static ALLEGRO_BITMAP* g_Texture = NULL;
static double g_Time = 0.0;
static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL;
static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL;
static char* g_ClipboardTextData = NULL;
struct ImDrawVertAllegro
{
@ -51,26 +63,47 @@ struct ImDrawVertAllegro
// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data)
{
int op, src, dst;
al_get_blender(&op, &src, &dst);
// Backup Allegro state that will be modified
ALLEGRO_TRANSFORM last_transform = *al_get_current_transform();
ALLEGRO_TRANSFORM last_projection_transform = *al_get_current_projection_transform();
int last_clip_x, last_clip_y, last_clip_w, last_clip_h;
al_get_clipping_rectangle(&last_clip_x, &last_clip_y, &last_clip_w, &last_clip_h);
int last_blender_op, last_blender_src, last_blender_dst;
al_get_blender(&last_blender_op, &last_blender_src, &last_blender_dst);
// Setup render state
al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA);
// Setup orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right).
{
float L = draw_data->DisplayPos.x;
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
float T = draw_data->DisplayPos.y;
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
ALLEGRO_TRANSFORM transform;
al_identity_transform(&transform);
al_use_transform(&transform);
al_orthographic_transform(&transform, L, T, 1.0f, R, B, -1.0f);
al_use_projection_transform(&transform);
}
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
// FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats
// Allegro's implementation of al_draw_indexed_prim() for DX9 is completely broken. Unindex our buffers ourselves.
// FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 float as well..
static ImVector<ImDrawVertAllegro> vertices;
vertices.resize(cmd_list->VtxBuffer.Size);
for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i)
vertices.resize(cmd_list->IdxBuffer.Size);
for (int i = 0; i < cmd_list->IdxBuffer.Size; i++)
{
const ImDrawVert &dv = cmd_list->VtxBuffer[i];
ImDrawVertAllegro v;
v.pos = dv.pos;
v.uv = dv.uv;
unsigned char *c = (unsigned char*)&dv.col;
v.col = al_map_rgba(c[0], c[1], c[2], c[3]);
vertices[i] = v;
const ImDrawVert* src_v = &cmd_list->VtxBuffer[cmd_list->IdxBuffer[i]];
ImDrawVertAllegro* dst_v = &vertices[i];
dst_v->pos = src_v->pos;
dst_v->uv = src_v->uv;
unsigned char* c = (unsigned char*)&src_v->col;
dst_v->col = al_map_rgba(c[0], c[1], c[2], c[3]);
}
const int* indices = NULL;
@ -90,6 +123,7 @@ void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data)
}
int idx_offset = 0;
ImVec2 pos = draw_data->DisplayPos;
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
@ -100,16 +134,18 @@ void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data)
else
{
ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId;
al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y);
al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST);
al_set_clipping_rectangle(pcmd->ClipRect.x - pos.x, pcmd->ClipRect.y - pos.y, pcmd->ClipRect.z - pcmd->ClipRect.x, pcmd->ClipRect.w - pcmd->ClipRect.y);
al_draw_prim(&vertices[0], g_VertexDecl, texture, idx_offset, idx_offset + pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST);
}
idx_offset += pcmd->ElemCount;
}
}
// Restore modified state
al_set_blender(op, src, dst);
al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display));
// Restore modified Allegro state
al_set_blender(last_blender_op, last_blender_src, last_blender_dst);
al_set_clipping_rectangle(last_clip_x, last_clip_y, last_clip_w, last_clip_h);
al_use_transform(&last_transform);
al_use_projection_transform(&last_projection_transform);
}
bool ImGui_ImplAllegro5_CreateDeviceObjects()
@ -174,6 +210,21 @@ void ImGui_ImplAllegro5_InvalidateDeviceObjects()
}
}
#if ALLEGRO_HAS_CLIPBOARD
static const char* ImGui_ImplAllegro5_GetClipboardText(void*)
{
if (g_ClipboardTextData)
al_free(g_ClipboardTextData);
g_ClipboardTextData = al_get_clipboard_text(g_Display);
return g_ClipboardTextData;
}
static void ImGui_ImplAllegro5_SetClipboardText(void*, const char* text)
{
al_set_clipboard_text(g_Display, text);
}
#endif
bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display)
{
g_Display = display;
@ -216,12 +267,24 @@ bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display)
io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y;
io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z;
#if ALLEGRO_HAS_CLIPBOARD
io.SetClipboardTextFn = ImGui_ImplAllegro5_SetClipboardText;
io.GetClipboardTextFn = ImGui_ImplAllegro5_GetClipboardText;
io.ClipboardUserData = NULL;
#endif
return true;
}
void ImGui_ImplAllegro5_Shutdown()
{
ImGui_ImplAllegro5_InvalidateDeviceObjects();
g_Display = NULL;
// Destroy last known clipboard data
if (g_ClipboardTextData)
al_free(g_ClipboardTextData);
g_ClipboardTextData = NULL;
}
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.

4
examples/imgui_impl_opengl2.cpp
View File

@ -2,8 +2,12 @@
// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..)
// Implemented features:
<<<<<<< HEAD
// [X] Renderer: User texture binding. Use 'GLUint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
=======
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
>>>>>>> master
// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
// **Prefer using the code in imgui_impl_opengl3.cpp**

4
examples/imgui_impl_opengl2.h
View File

@ -2,8 +2,12 @@
// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..)
// Implemented features:
<<<<<<< HEAD
// [X] Renderer: User texture binding. Use 'GLUint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
=======
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
>>>>>>> master
// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
// **Prefer using the code in imgui_impl_opengl3.cpp**

2
examples/imgui_impl_opengl3.cpp
View File

@ -3,7 +3,7 @@
// (Note: We are using GL3W as a helper library to access OpenGL functions since there is no standard header to access modern OpenGL functions easily. Alternatives are GLEW, Glad, etc..)
// Implemented features:
// [X] Renderer: User texture binding. Use 'GLUint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// CHANGELOG

2
examples/imgui_impl_opengl3.h
View File

@ -3,7 +3,7 @@
// (Note: We are using GL3W as a helper library to access OpenGL functions since there is no standard header to access modern OpenGL functions easily. Alternatives are GLEW, Glad, etc..)
// Implemented features:
// [X] Renderer: User texture binding. Use 'GLUint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// About GLSL version:

1
examples/imgui_impl_sdl.cpp
View File

@ -218,6 +218,7 @@ void ImGui_ImplSDL2_Shutdown()
// Destroy last known clipboard data
if (g_ClipboardTextData)
SDL_free(g_ClipboardTextData);
g_ClipboardTextData = NULL;
// Destroy SDL mouse cursors
for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_Count_; cursor_n++)

152
imgui.cpp
View File

@ -2200,6 +2200,7 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
if (g.ActiveIdIsJustActivated)
{
g.ActiveIdTimer = 0.0f;
g.ActiveIdValueChanged = false;
if (id != 0)
{
g.LastActiveId = id;
@ -2217,12 +2218,6 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window)
}
}
ImGuiID ImGui::GetActiveID()
{
ImGuiContext& g = *GImGui;
return g.ActiveId;
}
void ImGui::SetFocusID(ImGuiID id, ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
@ -2269,6 +2264,17 @@ void ImGui::KeepAliveID(ImGuiID id)
ImGuiContext& g = *GImGui;
if (g.ActiveId == id)
g.ActiveIdIsAlive = true;
if (g.ActiveIdPreviousFrame == id)
g.ActiveIdPreviousFrameIsAlive = true;
}
void ImGui::MarkItemValueChanged(ImGuiID id)
{
// This marking is solely to be able to provide info for IsItemDeactivatedAfterChange().
// ActiveId might have been released by the time we call this (as in the typical press/release button behavior) but still need need to fill the data.
ImGuiContext& g = *GImGui;
IM_ASSERT(g.ActiveId == id || g.ActiveId == 0);
g.ActiveIdValueChanged = true;
}
static inline bool IsWindowContentHoverable(ImGuiWindow* window, ImGuiHoveredFlags flags)
@ -2700,7 +2706,7 @@ bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id)
return false;
if (!IsMouseHoveringRect(bb.Min, bb.Max))
return false;
if (g.NavDisableMouseHover || !IsWindowContentHoverable(window, ImGuiHoveredFlags_Default))
if (g.NavDisableMouseHover || !IsWindowContentHoverable(window, ImGuiHoveredFlags_None))
return false;
if (window->DC.ItemFlags & ImGuiItemFlags_Disabled)
return false;
@ -4196,7 +4202,9 @@ void ImGui::NewFrame()
g.ActiveIdTimer += g.IO.DeltaTime;
g.LastActiveIdTimer += g.IO.DeltaTime;
g.ActiveIdPreviousFrame = g.ActiveId;
g.ActiveIdIsAlive = false;
g.ActiveIdPreviousFrameWindow = g.ActiveIdWindow;
g.ActiveIdPreviousFrameValueChanged = g.ActiveIdValueChanged;
g.ActiveIdIsAlive = g.ActiveIdPreviousFrameIsAlive = false;
g.ActiveIdIsJustActivated = false;
if (g.ScalarAsInputTextId && g.ActiveId != g.ScalarAsInputTextId)
g.ScalarAsInputTextId = 0;
@ -4456,7 +4464,7 @@ void ImGui::Shutdown(ImGuiContext* context)
g.NavWindow = NULL;
g.HoveredWindow = NULL;
g.HoveredRootWindow = NULL;
g.ActiveIdWindow = NULL;
g.ActiveIdWindow = g.ActiveIdPreviousFrameWindow = NULL;
g.MovingWindow = NULL;
g.ColorModifiers.clear();
g.StyleModifiers.clear();
@ -5617,6 +5625,19 @@ bool ImGui::IsItemActive()
return false;
}
bool ImGui::IsItemDeactivated()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
return (g.ActiveIdPreviousFrame == window->DC.LastItemId && g.ActiveIdPreviousFrame != 0 && g.ActiveId != window->DC.LastItemId);
}
bool ImGui::IsItemDeactivatedAfterChange()
{
ImGuiContext& g = *GImGui;
return IsItemDeactivated() && (g.ActiveIdPreviousFrameValueChanged || (g.ActiveId == 0 && g.ActiveIdValueChanged));
}
bool ImGui::IsItemFocused()
{
ImGuiContext& g = *GImGui;
@ -5625,7 +5646,7 @@ bool ImGui::IsItemFocused()
bool ImGui::IsItemClicked(int mouse_button)
{
return IsMouseClicked(mouse_button) && IsItemHovered(ImGuiHoveredFlags_Default);
return IsMouseClicked(mouse_button) && IsItemHovered(ImGuiHoveredFlags_None);
}
bool ImGui::IsAnyItemHovered()
@ -8963,6 +8984,8 @@ bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags
flags |= ImGuiButtonFlags_Repeat;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags);
if (pressed)
MarkItemValueChanged(id);
// Render
const ImU32 col = GetColorU32((hovered && held) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
@ -9245,7 +9268,7 @@ void ImGui::LogButtons()
bool ImGui::TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags)
{
if (flags & ImGuiTreeNodeFlags_Leaf)
return false;
return true;
// We only write to the tree storage if the user clicks (or explicitly use SetNextTreeNode*** functions)
ImGuiContext& g = *GImGui;
@ -10268,6 +10291,8 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* v, co
// Actual slider behavior + render grab
ItemSize(total_bb, style.FramePadding.y);
const bool value_changed = SliderBehavior(frame_bb, id, data_type, v, v_min, v_max, format, power);
if (value_changed)
MarkItemValueChanged(id);
// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
char value_buf[64];
@ -10321,7 +10346,9 @@ bool ImGui::VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType d
}
// Actual slider behavior + render grab
bool value_changed = SliderBehavior(frame_bb, id, data_type, v, v_min, v_max, format, power, ImGuiSliderFlags_Vertical);
const bool value_changed = SliderBehavior(frame_bb, id, data_type, v, v_min, v_max, format, power, ImGuiSliderFlags_Vertical);
if (value_changed)
MarkItemValueChanged(id);
// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
// For the vertical slider we allow centered text to overlap the frame padding
@ -10598,6 +10625,8 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* v, floa
// Actual drag behavior
ItemSize(total_bb, style.FramePadding.y);
const bool value_changed = DragBehavior(id, data_type, v, v_speed, v_min, v_max, format, power);
if (value_changed)
MarkItemValueChanged(id);
// Draw frame
const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg);
@ -10684,7 +10713,6 @@ bool ImGui::DragFloatRange2(const char* label, float* v_current_min, float* v_cu
TextUnformatted(label, FindRenderedTextEnd(label));
EndGroup();
PopID();
return value_changed;
}
@ -10947,7 +10975,10 @@ bool ImGui::Checkbox(const char* label, bool* v)
bool hovered, held;
bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
if (pressed)
{
*v = !(*v);
MarkItemValueChanged(id);
}
RenderNavHighlight(total_bb, id);
RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);
@ -11015,6 +11046,8 @@ bool ImGui::RadioButton(const char* label, bool active)
bool hovered, held;
bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
if (pressed)
MarkItemValueChanged(id);
RenderNavHighlight(total_bb, id);
window->DrawList->AddCircleFilled(center, radius, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), 16);
@ -11043,9 +11076,7 @@ bool ImGui::RadioButton(const char* label, int* v, int v_button)
{
const bool pressed = RadioButton(label, *v == v_button);
if (pressed)
{
*v = v_button;
}
return pressed;
}
@ -11326,7 +11357,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
const bool is_password = (flags & ImGuiInputTextFlags_Password) != 0;
const bool is_undoable = (flags & ImGuiInputTextFlags_NoUndoRedo) == 0;
if (is_multiline) // Open group before calling GetID() because groups tracks id created during their spawn
if (is_multiline) // Open group before calling GetID() because groups tracks id created within their scope,
BeginGroup();
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
@ -11916,6 +11947,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (label_size.x > 0)
RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
if (value_changed)
MarkItemValueChanged(id);
if ((flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0)
return enter_pressed;
else
@ -12038,7 +12072,6 @@ bool ImGui::InputScalarN(const char* label, ImGuiDataType data_type, void* v, in
TextUnformatted(label, FindRenderedTextEnd(label));
EndGroup();
return value_changed;
}
@ -12381,6 +12414,8 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
g.NavDisableHighlight = true;
SetNavID(id, window->DC.NavLayerCurrent);
}
if (pressed)
MarkItemValueChanged(id);
// Render
if (hovered || selected)
@ -12416,6 +12451,7 @@ bool ImGui::Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags
return false;
}
// FIXME: Rename to BeginListBox()
// Helper to calculate the size of a listbox and display a label on the right.
// Tip: To have a list filling the entire window width, PushItemWidth(-1) and pass an empty label "##empty"
bool ImGui::ListBoxHeader(const char* label, const ImVec2& size_arg)
@ -12443,6 +12479,7 @@ bool ImGui::ListBoxHeader(const char* label, const ImVec2& size_arg)
return true;
}
// FIXME: Rename to BeginListBox()
bool ImGui::ListBoxHeader(const char* label, int items_count, int height_in_items)
{
// Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar.
@ -12459,6 +12496,7 @@ bool ImGui::ListBoxHeader(const char* label, int items_count, int height_in_item
return ListBoxHeader(label, size);
}
// FIXME: Rename to EndListBox()
void ImGui::ListBoxFooter()
{
ImGuiWindow* parent_window = GetCurrentWindow()->ParentWindow;
@ -12606,7 +12644,7 @@ bool ImGui::BeginMenuBar()
return false;
IM_ASSERT(!window->DC.MenuBarAppending);
BeginGroup(); // Save position
BeginGroup(); // Backup position on layer 0
PushID("##menubar");
// We don't clip with current window clipping rectangle as it is already set to the area below. However we clip with window full rect.
@ -12658,7 +12696,7 @@ void ImGui::EndMenuBar()
PopID();
window->DC.MenuBarOffset.x = window->DC.CursorPos.x - window->MenuBarRect().Min.x; // Save horizontal position so next append can reuse it. This is kinda equivalent to a per-layer CursorPos.
window->DC.GroupStack.back().AdvanceCursor = false;
EndGroup();
EndGroup(); // Restore position on layer 0
window->DC.LayoutType = ImGuiLayoutType_Vertical;
window->DC.NavLayerCurrent--;
window->DC.NavLayerCurrentMask >>= 1;
@ -12970,6 +13008,9 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
if (!(flags & ImGuiColorEditFlags_NoTooltip) && hovered)
ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf));
if (pressed)
MarkItemValueChanged(id);
return pressed;
}
@ -13264,6 +13305,9 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
if (picker_active_window && g.ActiveId != 0 && g.ActiveIdWindow == picker_active_window)
window->DC.LastItemId = g.ActiveId;
if (value_changed)
MarkItemValueChanged(window->DC.LastItemId);
return value_changed;
}
@ -13587,12 +13631,18 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
}
EndGroup();
if (value_changed && memcmp(backup_initial_col, col, components * sizeof(float)) == 0)
value_changed = false;
if (value_changed)
MarkItemValueChanged(window->DC.LastItemId);
PopID();
return value_changed && memcmp(backup_initial_col, col, components * sizeof(float));
return value_changed;
}
// Horizontal separating line.
// Horizontal/vertical separating line
void ImGui::Separator()
{
ImGuiWindow* window = GetCurrentWindow();
@ -13600,9 +13650,8 @@ void ImGui::Separator()
return;
ImGuiContext& g = *GImGui;
ImGuiSeparatorFlags flags = 0;
if ((flags & (ImGuiSeparatorFlags_Horizontal | ImGuiSeparatorFlags_Vertical)) == 0)
flags |= (window->DC.LayoutType == ImGuiLayoutType_Horizontal) ? ImGuiSeparatorFlags_Vertical : ImGuiSeparatorFlags_Horizontal;
// Those flags should eventually be overridable by the user
ImGuiSeparatorFlags flags = (window->DC.LayoutType == ImGuiLayoutType_Horizontal) ? ImGuiSeparatorFlags_Vertical : ImGuiSeparatorFlags_Horizontal;
IM_ASSERT(ImIsPowerOfTwo((int)(flags & (ImGuiSeparatorFlags_Horizontal | ImGuiSeparatorFlags_Vertical)))); // Check that only 1 option is selected
if (flags & ImGuiSeparatorFlags_Vertical)
{
@ -13697,6 +13746,8 @@ bool ImGui::SplitterBehavior(ImGuiID id, const ImRect& bb, ImGuiAxis axis, float
*size1 += mouse_delta;
*size2 -= mouse_delta;
bb_render.Translate((axis == ImGuiAxis_X) ? ImVec2(mouse_delta, 0.0f) : ImVec2(0.0f, mouse_delta));
MarkItemValueChanged(id);
}
// Render
@ -13740,6 +13791,7 @@ bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
// Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.)
void ImGui::BeginGroup()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
window->DC.GroupStack.resize(window->DC.GroupStack.Size + 1);
@ -13751,21 +13803,21 @@ void ImGui::BeginGroup()
group_data.BackupCurrentLineHeight = window->DC.CurrentLineHeight;
group_data.BackupCurrentLineTextBaseOffset = window->DC.CurrentLineTextBaseOffset;
group_data.BackupLogLinePosY = window->DC.LogLinePosY;
group_data.BackupActiveIdIsAlive = GImGui->ActiveIdIsAlive;
group_data.BackupActiveIdIsAlive = g.ActiveIdIsAlive;
group_data.BackupActiveIdPreviousFrameIsAlive = g.ActiveIdPreviousFrameIsAlive;
group_data.AdvanceCursor = true;
window->DC.GroupOffsetX = window->DC.CursorPos.x - window->Pos.x - window->DC.ColumnsOffsetX;
window->DC.IndentX = window->DC.GroupOffsetX;
window->DC.CursorMaxPos = window->DC.CursorPos;
window->DC.CurrentLineHeight = 0.0f;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f; // To enforce Log carriage return
}
void ImGui::EndGroup()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
IM_ASSERT(!window->DC.GroupStack.empty()); // Mismatched BeginGroup()/EndGroup() calls
ImGuiGroupData& group_data = window->DC.GroupStack.back();
@ -13775,11 +13827,11 @@ void ImGui::EndGroup()
window->DC.CursorPos = group_data.BackupCursorPos;
window->DC.CursorMaxPos = ImMax(group_data.BackupCursorMaxPos, window->DC.CursorMaxPos);
window->DC.CurrentLineHeight = group_data.BackupCurrentLineHeight;
window->DC.CurrentLineTextBaseOffset = group_data.BackupCurrentLineTextBaseOffset;
window->DC.IndentX = group_data.BackupIndentX;
window->DC.GroupOffsetX = group_data.BackupGroupOffsetX;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f;
window->DC.CurrentLineHeight = group_data.BackupCurrentLineHeight;
window->DC.CurrentLineTextBaseOffset = group_data.BackupCurrentLineTextBaseOffset;
window->DC.LogLinePosY = window->DC.CursorPos.y - 9999.0f; // To enforce Log carriage return
if (group_data.AdvanceCursor)
{
@ -13788,11 +13840,13 @@ void ImGui::EndGroup()
ItemAdd(group_bb, 0);
}
// If the current ActiveId was declared within the boundary of our group, we copy it to LastItemId so IsItemActive() will be functional on the entire group.
// It would be be neater if we replaced window.DC.LastItemId by e.g. 'bool LastItemIsActive', but if you search for LastItemId you'll notice it is only used in that context.
const bool active_id_within_group = (!group_data.BackupActiveIdIsAlive && g.ActiveIdIsAlive && g.ActiveId && g.ActiveIdWindow->RootWindow == window->RootWindow);
if (active_id_within_group)
// If the current ActiveId was declared within the boundary of our group, we copy it to LastItemId so IsItemActive(), IsItemDeactivated() etc. will be functional on the entire group.
// It would be be neater if we replaced window.DC.LastItemId by e.g. 'bool LastItemIsActive', but put a little more burden on individual widgets.
// (and if you grep for LastItemId you'll notice it is only used in that context.
if (!group_data.BackupActiveIdIsAlive && g.ActiveIdIsAlive && g.ActiveId) // && g.ActiveIdWindow->RootWindow == window->RootWindow)
window->DC.LastItemId = g.ActiveId;
else if (!group_data.BackupActiveIdPreviousFrameIsAlive && g.ActiveIdPreviousFrameIsAlive) // && g.ActiveIdPreviousFrameWindow->RootWindow == window->RootWindow)
window->DC.LastItemId = g.ActiveIdPreviousFrame;
window->DC.LastItemRect = group_bb;
window->DC.GroupStack.pop_back();
@ -14217,6 +14271,7 @@ void ImGui::TreePop()
}
window->DC.TreeDepthMayJumpToParentOnPop &= (1 << window->DC.TreeDepth) - 1;
IM_ASSERT(window->IDStack.Size > 1); // There should always be 1 element in the IDStack (pushed during window creation). If this triggers you called TreePop/PopID too much.
PopID();
}
@ -14565,42 +14620,43 @@ static const char* GetClipboardTextFn_DefaultImpl(void*)
{
static ImVector<char> buf_local;
buf_local.clear();
if (!OpenClipboard(NULL))
if (!::OpenClipboard(NULL))
return NULL;
HANDLE wbuf_handle = GetClipboardData(CF_UNICODETEXT);
HANDLE wbuf_handle = ::GetClipboardData(CF_UNICODETEXT);
if (wbuf_handle == NULL)
{
CloseClipboard();
::CloseClipboard();
return NULL;
}
if (ImWchar* wbuf_global = (ImWchar*)GlobalLock(wbuf_handle))
if (ImWchar* wbuf_global = (ImWchar*)::GlobalLock(wbuf_handle))
{
int buf_len = ImTextCountUtf8BytesFromStr(wbuf_global, NULL) + 1;
buf_local.resize(buf_len);
ImTextStrToUtf8(buf_local.Data, buf_len, wbuf_global, NULL);
}
GlobalUnlock(wbuf_handle);
CloseClipboard();
::GlobalUnlock(wbuf_handle);
::CloseClipboard();
return buf_local.Data;
}
static void SetClipboardTextFn_DefaultImpl(void*, const char* text)
{
if (!OpenClipboard(NULL))
if (!::OpenClipboard(NULL))
return;
const int wbuf_length = ImTextCountCharsFromUtf8(text, NULL) + 1;
HGLOBAL wbuf_handle = GlobalAlloc(GMEM_MOVEABLE, (SIZE_T)wbuf_length * sizeof(ImWchar));
HGLOBAL wbuf_handle = ::GlobalAlloc(GMEM_MOVEABLE, (SIZE_T)wbuf_length * sizeof(ImWchar));
if (wbuf_handle == NULL)
{
CloseClipboard();
::CloseClipboard();
return;
}
ImWchar* wbuf_global = (ImWchar*)GlobalLock(wbuf_handle);
ImWchar* wbuf_global = (ImWchar*)::GlobalLock(wbuf_handle);
ImTextStrFromUtf8(wbuf_global, wbuf_length, text, NULL);
GlobalUnlock(wbuf_handle);
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, wbuf_handle);
CloseClipboard();
::GlobalUnlock(wbuf_handle);
::EmptyClipboard();
if (::SetClipboardData(CF_UNICODETEXT, wbuf_handle) == NULL)
::GlobalFree(wbuf_handle);
::CloseClipboard();
}
#else

54
imgui.h
View File

@ -144,12 +144,12 @@ struct ImVec4
#endif
};
// ImGui end-user API
// In a namespace so that user can add extra functions in your own separate file (please don't modify imgui.cpp/.h)
// Dear ImGui end-user API
// (In a namespace so you can add extra functions in your own separate file. Please don't modify imgui.cpp/.h!)
namespace ImGui
{
// Context creation and access
// All contexts share a same ImFontAtlas by default. If you want different font atlas, you can new() them and overwrite the GetIO().Fonts variable of an ImGui context.
// Each context create its own ImFontAtlas by default. You may instance one yourself and pass it to CreateContext() to share a font atlas between imgui contexts.
// All those functions are not reliant on the current context.
IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL);
IMGUI_API void DestroyContext(ImGuiContext* ctx = NULL); // NULL = destroy current context
@ -158,8 +158,8 @@ namespace ImGui
IMGUI_API bool DebugCheckVersionAndDataLayout(const char* version_str, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_drawvert);
// Main
IMGUI_API ImGuiIO& GetIO();
IMGUI_API ImGuiStyle& GetStyle();
IMGUI_API ImGuiIO& GetIO(); // access the IO structure (mouse/keyboard/gamepad inputs, time, various configuration options/flags)
IMGUI_API ImGuiStyle& GetStyle(); // access the Style structure (colors, sizes). Always use PushStyleCol(), PushStyleVar() to modify style mid-frame.
IMGUI_API void NewFrame(); // start a new ImGui frame, you can submit any command from this point until Render()/EndFrame().
IMGUI_API void Render(); // ends the ImGui frame, finalize the draw data. (Obsolete: optionally call io.RenderDrawListsFn if set. Nowadays, prefer calling your render function yourself.)
IMGUI_API ImDrawData* GetDrawData(); // valid after Render() and until the next call to NewFrame(). this is what you have to render. (Obsolete: this used to be passed to your io.RenderDrawListsFn() function.)
@ -322,10 +322,11 @@ namespace ImGui
IMGUI_API void BulletTextV(const char* fmt, va_list args) IM_FMTLIST(1);
// Widgets: Main
// Most widgets return true when the value has been changed or when pressed/selected
IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button
IMGUI_API bool SmallButton(const char* label); // button with FramePadding=(0,0) to easily embed within text
IMGUI_API bool ArrowButton(const char* str_id, ImGuiDir dir);
IMGUI_API bool InvisibleButton(const char* str_id, const ImVec2& size); // button behavior without the visuals, useful to build custom behaviors using the public api (along with IsItemActive, IsItemHovered, etc.)
IMGUI_API bool ArrowButton(const char* str_id, ImGuiDir dir); // square button with an arrow shape
IMGUI_API void Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), const ImVec4& tint_col = ImVec4(1,1,1,1), const ImVec4& border_col = ImVec4(0,0,0,0));
IMGUI_API bool ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,0), const ImVec4& tint_col = ImVec4(1,1,1,1)); // <0 frame_padding uses default frame padding settings. 0 for no padding
IMGUI_API bool Checkbox(const char* label, bool* v);
@ -407,8 +408,9 @@ namespace ImGui
IMGUI_API void SetColorEditOptions(ImGuiColorEditFlags flags); // initialize current options (generally on application startup) if you want to select a default format, picker type, etc. User will be able to change many settings, unless you pass the _NoOptions flag to your calls.
// Widgets: Trees
IMGUI_API bool TreeNode(const char* label); // if returning 'true' the node is open and the tree id is pushed into the id stack. user is responsible for calling TreePop().
IMGUI_API bool TreeNode(const char* str_id, const char* fmt, ...) IM_FMTARGS(2); // read the FAQ about why and how to use ID. to align arbitrary text at the same level as a TreeNode() you can use Bullet().
// TreeNode functions return true when the node is open, in which case you need to also call TreePop() when you are finished displaying the tree node contents.
IMGUI_API bool TreeNode(const char* label);
IMGUI_API bool TreeNode(const char* str_id, const char* fmt, ...) IM_FMTARGS(2); // helper variation to completely decorelate the id from the displayed string. Read the FAQ about why and how to use ID. to align arbitrary text at the same level as a TreeNode() you can use Bullet().
IMGUI_API bool TreeNode(const void* ptr_id, const char* fmt, ...) IM_FMTARGS(2); // "
IMGUI_API bool TreeNodeV(const char* str_id, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API bool TreeNodeV(const void* ptr_id, const char* fmt, va_list args) IM_FMTLIST(2);
@ -417,7 +419,7 @@ namespace ImGui
IMGUI_API bool TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3);
IMGUI_API bool TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
IMGUI_API bool TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
IMGUI_API void TreePush(const char* str_id); // ~ Indent()+PushId(). Already called by TreeNode() when returning true, but you can call Push/Pop yourself for layout purpose
IMGUI_API void TreePush(const char* str_id); // ~ Indent()+PushId(). Already called by TreeNode() when returning true, but you can call TreePush/TreePop yourself if desired.
IMGUI_API void TreePush(const void* ptr_id = NULL); // "
IMGUI_API void TreePop(); // ~ Unindent()+PopId()
IMGUI_API void TreeAdvanceToLabelPos(); // advance cursor x position by GetTreeNodeToLabelSpacing()
@ -442,10 +444,10 @@ namespace ImGui
IMGUI_API void Value(const char* prefix, float v, const char* float_format = NULL);
// Tooltips
IMGUI_API void SetTooltip(const char* fmt, ...) IM_FMTARGS(1); // set text tooltip under mouse-cursor, typically use with ImGui::IsItemHovered(). overidde any previous call to SetTooltip().
IMGUI_API void SetTooltipV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void BeginTooltip(); // begin/append a tooltip window. to create full-featured tooltip (with any kind of contents).
IMGUI_API void BeginTooltip(); // begin/append a tooltip window. to create full-featured tooltip (with any kind of items).
IMGUI_API void EndTooltip();
IMGUI_API void SetTooltip(const char* fmt, ...) IM_FMTARGS(1); // set a text-only tooltip, typically use with ImGui::IsItemHovered(). overidde any previous call to SetTooltip().
IMGUI_API void SetTooltipV(const char* fmt, va_list args) IM_FMTLIST(1);
// Menus
IMGUI_API bool BeginMainMenuBar(); // create and append to a full screen menu-bar.
@ -508,10 +510,12 @@ namespace ImGui
// Utilities
IMGUI_API bool IsItemHovered(ImGuiHoveredFlags flags = 0); // is the last item hovered? (and usable, aka not blocked by a popup, etc.). See ImGuiHoveredFlags for more options.
IMGUI_API bool IsItemActive(); // is the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false)
IMGUI_API bool IsItemActive(); // is the last item active? (e.g. button being held, text field being edited. This will continuously return true while holding mouse button on an item. Items that don't interact will always return false)
IMGUI_API bool IsItemFocused(); // is the last item focused for keyboard/gamepad navigation?
IMGUI_API bool IsItemClicked(int mouse_button = 0); // is the last item clicked? (e.g. button/node just clicked on) == IsMouseClicked(0) && IsItemHovered()
IMGUI_API bool IsItemVisible(); // is the last item visible? (aka not out of sight due to clipping/scrolling.)
IMGUI_API bool IsItemClicked(int mouse_button = 0); // is the last item clicked? (e.g. button/node just clicked on) == IsMouseClicked(mouse_button) && IsItemHovered()
IMGUI_API bool IsItemVisible(); // is the last item visible? (items may be out of sight because of clipping/scrolling)
IMGUI_API bool IsItemDeactivated(); // was the last item just made inactive (item was previously active). Useful for Undo/Redo patterns with widgets that requires continuous editing.
IMGUI_API bool IsItemDeactivatedAfterChange(); // was the last item just made inactive and made a value change when it was active? (e.g. Slider/Drag moved). Useful for Undo/Redo patterns with widgets that requires continuous editing. Note that you may get false positives (some widgets such as Combo()/ListBox()/Selectable() will return true even when clicking an already selected item).
IMGUI_API bool IsAnyItemHovered();
IMGUI_API bool IsAnyItemActive();
IMGUI_API bool IsAnyItemFocused();
@ -595,6 +599,7 @@ namespace ImGui
// Flags for ImGui::Begin()
enum ImGuiWindowFlags_
{
ImGuiWindowFlags_None = 0,
ImGuiWindowFlags_NoTitleBar = 1 << 0, // Disable title-bar
ImGuiWindowFlags_NoResize = 1 << 1, // Disable user resizing with the lower-right grip
ImGuiWindowFlags_NoMove = 1 << 2, // Disable user moving the window
@ -629,6 +634,7 @@ enum ImGuiWindowFlags_
// Flags for ImGui::InputText()
enum ImGuiInputTextFlags_
{
ImGuiInputTextFlags_None = 0,
ImGuiInputTextFlags_CharsDecimal = 1 << 0, // Allow 0123456789.+-*/
ImGuiInputTextFlags_CharsHexadecimal = 1 << 1, // Allow 0123456789ABCDEFabcdef
ImGuiInputTextFlags_CharsUppercase = 1 << 2, // Turn a..z into A..Z
@ -654,6 +660,7 @@ enum ImGuiInputTextFlags_
// Flags for ImGui::TreeNodeEx(), ImGui::CollapsingHeader*()
enum ImGuiTreeNodeFlags_
{
ImGuiTreeNodeFlags_None = 0,
ImGuiTreeNodeFlags_Selected = 1 << 0, // Draw as selected
ImGuiTreeNodeFlags_Framed = 1 << 1, // Full colored frame (e.g. for CollapsingHeader)
ImGuiTreeNodeFlags_AllowItemOverlap = 1 << 2, // Hit testing to allow subsequent widgets to overlap this one
@ -679,6 +686,7 @@ enum ImGuiTreeNodeFlags_
// Flags for ImGui::Selectable()
enum ImGuiSelectableFlags_
{
ImGuiSelectableFlags_None = 0,
ImGuiSelectableFlags_DontClosePopups = 1 << 0, // Clicking this don't close parent popup window
ImGuiSelectableFlags_SpanAllColumns = 1 << 1, // Selectable frame can span all columns (text will still fit in current column)
ImGuiSelectableFlags_AllowDoubleClick = 1 << 2 // Generate press events on double clicks too
@ -687,6 +695,7 @@ enum ImGuiSelectableFlags_
// Flags for ImGui::BeginCombo()
enum ImGuiComboFlags_
{
ImGuiComboFlags_None = 0,
ImGuiComboFlags_PopupAlignLeft = 1 << 0, // Align the popup toward the left by default
ImGuiComboFlags_HeightSmall = 1 << 1, // Max ~4 items visible. Tip: If you want your combo popup to be a specific size you can use SetNextWindowSizeConstraints() prior to calling BeginCombo()
ImGuiComboFlags_HeightRegular = 1 << 2, // Max ~8 items visible (default)
@ -700,6 +709,7 @@ enum ImGuiComboFlags_
// Flags for ImGui::IsWindowFocused()
enum ImGuiFocusedFlags_
{
ImGuiFocusedFlags_None = 0,
ImGuiFocusedFlags_ChildWindows = 1 << 0, // IsWindowFocused(): Return true if any children of the window is focused
ImGuiFocusedFlags_RootWindow = 1 << 1, // IsWindowFocused(): Test from root window (top most parent of the current hierarchy)
ImGuiFocusedFlags_AnyWindow = 1 << 2, // IsWindowFocused(): Return true if any window is focused
@ -710,7 +720,7 @@ enum ImGuiFocusedFlags_
// Note: If you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that. Please read the FAQ!
enum ImGuiHoveredFlags_
{
ImGuiHoveredFlags_Default = 0, // Return true if directly over the item/window, not obstructed by another window, not obstructed by an active popup or modal blocking inputs under them.
ImGuiHoveredFlags_None = 0, // Return true if directly over the item/window, not obstructed by another window, not obstructed by an active popup or modal blocking inputs under them.
ImGuiHoveredFlags_ChildWindows = 1 << 0, // IsWindowHovered() only: Return true if any children of the window is hovered
ImGuiHoveredFlags_RootWindow = 1 << 1, // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy)
ImGuiHoveredFlags_AnyWindow = 1 << 2, // IsWindowHovered() only: Return true if any window is hovered
@ -725,6 +735,7 @@ enum ImGuiHoveredFlags_
// Flags for ImGui::BeginDragDropSource(), ImGui::AcceptDragDropPayload()
enum ImGuiDragDropFlags_
{
ImGuiDragDropFlags_None = 0,
// BeginDragDropSource() flags
ImGuiDragDropFlags_SourceNoPreviewTooltip = 1 << 0, // By default, a successful call to BeginDragDropSource opens a tooltip so you can display a preview or description of the source contents. This flag disable this behavior.
ImGuiDragDropFlags_SourceNoDisableHover = 1 << 1, // By default, when dragging we clear data so that IsItemHovered() will return true, to avoid subsequent user code submitting tooltips. This flag disable this behavior so you can still call IsItemHovered() on the source item.
@ -833,9 +844,9 @@ enum ImGuiConfigFlags_
ImGuiConfigFlags_NavEnableKeyboard = 1 << 0, // Master keyboard navigation enable flag. NewFrame() will automatically fill io.NavInputs[] based on io.KeysDown[].
ImGuiConfigFlags_NavEnableGamepad = 1 << 1, // Master gamepad navigation enable flag. This is mostly to instruct your imgui back-end to fill io.NavInputs[]. Back-end also needs to set ImGuiBackendFlags_HasGamepad.
ImGuiConfigFlags_NavEnableSetMousePos = 1 << 2, // Instruct navigation to move the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is awkward. Will update io.MousePos and set io.WantSetMousePos=true. If enabled you MUST honor io.WantSetMousePos requests in your binding, otherwise ImGui will react as if the mouse is jumping around back and forth.
ImGuiConfigFlags_NavNoCaptureKeyboard = 1 << 3, // Instruct navigation to not set the io.WantCaptureKeyboard flag with io.NavActive is set.
ImGuiConfigFlags_NoMouse = 1 << 4, // Instruct imgui to clear mouse position/buttons in NewFrame(). This allows ignoring the mouse information back-end
ImGuiConfigFlags_NoMouseCursorChange = 1 << 5, // Instruct back-end to not alter mouse cursor shape and visibility.
ImGuiConfigFlags_NavNoCaptureKeyboard = 1 << 3, // Instruct navigation to not set the io.WantCaptureKeyboard flag when io.NavActive is set.
ImGuiConfigFlags_NoMouse = 1 << 4, // Instruct imgui to clear mouse position/buttons in NewFrame(). This allows ignoring the mouse information set by the back-end.
ImGuiConfigFlags_NoMouseCursorChange = 1 << 5, // Instruct back-end to not alter mouse cursor shape and visibility. Use if the back-end cursor changes are interfering with yours and you don't want to use SetMouseCursor() to change mouse cursor. You may want to honor requests from imgui by reading GetMouseCursor() yourself instead.
// [BETA] Viewports
ImGuiConfigFlags_ViewportsEnable = 1 << 10, // Viewport enable flags (require both ImGuiConfigFlags_PlatformHasViewports + ImGuiConfigFlags_RendererHasViewports set by the respective back-ends)
@ -852,8 +863,8 @@ enum ImGuiConfigFlags_
// Back-end capabilities flags stored in io.BackendFlags. Set by imgui_impl_xxx or custom back-end.
enum ImGuiBackendFlags_
{
ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end supports and has a connected gamepad.
ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end supports reading GetMouseCursor() to change the OS cursor shape.
ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end supports gamepad and currently has one connected.
ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end supports honoring GetMouseCursor() value to change the OS cursor shape.
ImGuiBackendFlags_HasSetMousePos = 1 << 2, // Back-end supports io.WantSetMousePos requests to reposition the OS mouse position (only used if ImGuiConfigFlags_NavEnableSetMousePos is set).
// [BETA] Viewports
@ -955,6 +966,7 @@ enum ImGuiStyleVar_
// Enumeration for ColorEdit3() / ColorEdit4() / ColorPicker3() / ColorPicker4() / ColorButton()
enum ImGuiColorEditFlags_
{
ImGuiColorEditFlags_None = 0,
ImGuiColorEditFlags_NoAlpha = 1 << 1, // // ColorEdit, ColorPicker, ColorButton: ignore Alpha component (read 3 components from the input pointer).
ImGuiColorEditFlags_NoPicker = 1 << 2, // // ColorEdit: disable picker when clicking on colored square.
ImGuiColorEditFlags_NoOptions = 1 << 3, // // ColorEdit: disable toggling options menu when right-clicking on inputs/small preview.

153
imgui_demo.cpp
View File

@ -328,6 +328,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
{
// Using the _simplified_ one-liner Combo() api here
// See "Combo" section for examples of how to use the more complete BeginCombo()/EndCombo() api.
const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" };
static int item_current = 0;
ImGui::Combo("combo", &item_current, items, IM_ARRAYSIZE(items));
@ -457,7 +458,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
else
{
// Leaf: The only reason we have a TreeNode at all is to allow selection of the leaf. Otherwise we can use BulletText() or TreeAdvanceToLabelPos()+Text().
node_flags |= ImGuiTreeNodeFlags_Leaf; // | ImGuiTreeNodeFlags_Bullet;
node_flags |= ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen; // ImGuiTreeNodeFlags_Bullet
ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Leaf %d", i);
if (ImGui::IsItemClicked())
node_clicked = i;
@ -1171,6 +1172,95 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::PopStyleVar();
ImGui::TreePop();
}
if (ImGui::TreeNode("Active, Focused, Hovered & Focused Tests"))
{
// Display the value of IsItemHovered() and other common item state functions. Note that the flags can be combined.
// (because BulletText is an item itself and that would affect the output of IsItemHovered() we pass all state in a single call to simplify the code).
static int item_type = 1;
static bool b = false;
static float col4f[4] = { 1.0f, 0.5, 0.0f, 1.0f };
ImGui::RadioButton("Text", &item_type, 0); ImGui::SameLine();
ImGui::RadioButton("Button", &item_type, 1); ImGui::SameLine();
ImGui::RadioButton("CheckBox", &item_type, 2); ImGui::SameLine();
ImGui::RadioButton("SliderFloat", &item_type, 3); ImGui::SameLine();
ImGui::RadioButton("ColorEdit4", &item_type, 4); ImGui::SameLine();
ImGui::RadioButton("ListBox", &item_type, 5);
bool ret = false;
if (item_type == 0) { ImGui::Text("ITEM: Text"); } // Testing text items with no identifier/interaction
if (item_type == 1) { ret = ImGui::Button("ITEM: Button"); } // Testing button
if (item_type == 2) { ret = ImGui::Checkbox("ITEM: CheckBox", &b); } // Testing checkbox
if (item_type == 3) { ret = ImGui::SliderFloat("ITEM: SliderFloat", &col4f[0], 0.0f, 1.0f); } // Testing basic item
if (item_type == 4) { ret = ImGui::ColorEdit4("ITEM: ColorEdit4", col4f); } // Testing multi-component items (IsItemXXX flags are reported merged)
if (item_type == 5) { const char* items[] = { "Apple", "Banana", "Cherry", "Kiwi" }; static int current = 1; ret = ImGui::ListBox("ITEM: ListBox", &current, items, IM_ARRAYSIZE(items), IM_ARRAYSIZE(items)); }
ImGui::BulletText(
"Return value = %d\n"
"IsItemFocused() = %d\n"
"IsItemHovered() = %d\n"
"IsItemHovered(_AllowWhenBlockedByPopup) = %d\n"
"IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\n"
"IsItemHovered(_AllowWhenOverlapped) = %d\n"
"IsItemHovered(_RectOnly) = %d\n"
"IsItemActive() = %d\n"
"IsItemDeactivated() = %d\n"
"IsItemDeactivatedAfterChange() = %d\n"
"IsItemVisible() = %d\n",
ret,
ImGui::IsItemFocused(),
ImGui::IsItemHovered(),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped),
ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly),
ImGui::IsItemActive(),
ImGui::IsItemDeactivated(),
ImGui::IsItemDeactivatedAfterChange(),
ImGui::IsItemVisible()
);
static bool embed_all_inside_a_child_window = false;
ImGui::Checkbox("Embed everything inside a child window (for additional testing)", &embed_all_inside_a_child_window);
if (embed_all_inside_a_child_window)
ImGui::BeginChild("outer_child", ImVec2(0, ImGui::GetFontSize() * 20), true);
// Testing IsWindowFocused() function with its various flags. Note that the flags can be combined.
ImGui::BulletText(
"IsWindowFocused() = %d\n"
"IsWindowFocused(_ChildWindows) = %d\n"
"IsWindowFocused(_ChildWindows|_RootWindow) = %d\n"
"IsWindowFocused(_RootWindow) = %d\n"
"IsWindowFocused(_AnyWindow) = %d\n",
ImGui::IsWindowFocused(),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_AnyWindow));
// Testing IsWindowHovered() function with its various flags. Note that the flags can be combined.
ImGui::BulletText(
"IsWindowHovered() = %d\n"
"IsWindowHovered(_AllowWhenBlockedByPopup) = %d\n"
"IsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n"
"IsWindowHovered(_ChildWindows) = %d\n"
"IsWindowHovered(_ChildWindows|_RootWindow) = %d\n"
"IsWindowHovered(_RootWindow) = %d\n"
"IsWindowHovered(_AnyWindow) = %d\n",
ImGui::IsWindowHovered(),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow));
ImGui::BeginChild("child", ImVec2(0, 50), true);
ImGui::Text("This is another child window for testing with the _ChildWindows flag.");
ImGui::EndChild();
if (embed_all_inside_a_child_window)
EndChild();
ImGui::TreePop();
}
}
if (ImGui::CollapsingHeader("Layout"))
@ -2028,67 +2118,6 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::TreePop();
}
if (ImGui::TreeNode("Focused & Hovered Test"))
{
static bool embed_all_inside_a_child_window = false;
ImGui::Checkbox("Embed everything inside a child window (for additional testing)", &embed_all_inside_a_child_window);
if (embed_all_inside_a_child_window)
ImGui::BeginChild("embeddingchild", ImVec2(0, ImGui::GetFontSize() * 25), true);
// Testing IsWindowFocused() function with its various flags (note that the flags can be combined)
ImGui::BulletText(
"IsWindowFocused() = %d\n"
"IsWindowFocused(_ChildWindows) = %d\n"
"IsWindowFocused(_ChildWindows|_RootWindow) = %d\n"
"IsWindowFocused(_RootWindow) = %d\n"
"IsWindowFocused(_AnyWindow) = %d\n",
ImGui::IsWindowFocused(),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows),
ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow),
ImGui::IsWindowFocused(ImGuiFocusedFlags_AnyWindow));
// Testing IsWindowHovered() function with its various flags (note that the flags can be combined)
ImGui::BulletText(
"IsWindowHovered() = %d\n"
"IsWindowHovered(_AllowWhenBlockedByPopup) = %d\n"
"IsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n"
"IsWindowHovered(_ChildWindows) = %d\n"
"IsWindowHovered(_ChildWindows|_RootWindow) = %d\n"
"IsWindowHovered(_RootWindow) = %d\n"
"IsWindowHovered(_AnyWindow) = %d\n",
ImGui::IsWindowHovered(),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows),
ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow),
ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow));
// Testing IsItemHovered() function (because BulletText is an item itself and that would affect the output of IsItemHovered, we pass all lines in a single items to shorten the code)
ImGui::Button("ITEM");
ImGui::BulletText(
"IsItemHovered() = %d\n"
"IsItemHovered(_AllowWhenBlockedByPopup) = %d\n"
"IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\n"
"IsItemHovered(_AllowWhenOverlapped) = %d\n"
"IsItemhovered(_RectOnly) = %d\n",
ImGui::IsItemHovered(),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem),
ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped),
ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly));
ImGui::BeginChild("child", ImVec2(0,50), true);
ImGui::Text("This is another child window for testing IsWindowHovered() flags.");
ImGui::EndChild();
if (embed_all_inside_a_child_window)
EndChild();
ImGui::TreePop();
}
if (ImGui::TreeNode("Dragging"))
{
ImGui::TextWrapped("You can use ImGui::GetMouseDragDelta(0) to query for the dragged amount on any widget.");

21
imgui_internal.h
View File

@ -394,6 +394,7 @@ struct ImGuiGroupData
float BackupCurrentLineTextBaseOffset;
float BackupLogLinePosY;
bool BackupActiveIdIsAlive;
bool BackupActiveIdPreviousFrameIsAlive;
bool AdvanceCursor;
};
@ -662,9 +663,13 @@ struct ImGuiContext
bool ActiveIdIsAlive; // Active widget has been seen this frame
bool ActiveIdIsJustActivated; // Set at the time of activation for one frame
bool ActiveIdAllowOverlap; // Active widget allows another widget to steal active id (generally for overlapping widgets, but not always)
bool ActiveIdValueChanged;
bool ActiveIdPreviousFrameIsAlive;
bool ActiveIdPreviousFrameValueChanged;
int ActiveIdAllowNavDirFlags; // Active widget allows using directional navigation (e.g. can activate a button and move away from it)
ImVec2 ActiveIdClickOffset; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior)
ImGuiWindow* ActiveIdWindow;
ImGuiWindow* ActiveIdPreviousFrameWindow;
ImGuiInputSource ActiveIdSource; // Activating with mouse or nav (gamepad/keyboard)
ImGuiID LastActiveId; // Store the last non-zero ActiveId, useful for animation.
float LastActiveIdTimer; // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation.
@ -808,9 +813,12 @@ struct ImGuiContext
ActiveIdIsAlive = false;
ActiveIdIsJustActivated = false;
ActiveIdAllowOverlap = false;
ActiveIdValueChanged = false;
ActiveIdPreviousFrameIsAlive = false;
ActiveIdPreviousFrameValueChanged = false;
ActiveIdAllowNavDirFlags = 0;
ActiveIdClickOffset = ImVec2(-1,-1);
ActiveIdWindow = NULL;
ActiveIdWindow = ActiveIdPreviousFrameWindow = NULL;
ActiveIdSource = ImGuiInputSource_None;
LastActiveId = 0;
LastActiveIdTimer = 0.0f;
@ -1036,7 +1044,7 @@ struct IMGUI_API ImGuiWindow
ImRect OuterRectClipped; // = WindowRect just after setup in Begin(). == window->Rect() for root window.
ImRect InnerMainRect, InnerClipRect;
ImRect ContentsRegionRect; // FIXME: This is currently confusing/misleading. Maximum visible content position ~~ Pos + (SizeContentsExplicit ? SizeContentsExplicit : Size - ScrollbarSizes) - CursorStartPos, per axis
int LastFrameActive;
int LastFrameActive; // Last frame number the window was Active.
float ItemWidthDefault;
ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items
ImGuiStorage StateStorage;
@ -1106,7 +1114,7 @@ namespace ImGui
// We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
// If this ever crash because g.CurrentWindow is NULL it means that either
// - ImGui::NewFrame() has never been called, which is illegal.
// - You are calling ImGui functions after ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
// - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
inline ImGuiWindow* GetCurrentWindowRead() { ImGuiContext& g = *GImGui; return g.CurrentWindow; }
inline ImGuiWindow* GetCurrentWindow() { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; }
IMGUI_API ImGuiWindow* FindWindowByName(const char* name);
@ -1132,13 +1140,16 @@ namespace ImGui
IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name);
IMGUI_API ImGuiWindowSettings* FindWindowSettings(ImGuiID id);
inline ImGuiID GetItemID() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemId; }
inline ImGuiID GetActiveID() { ImGuiContext& g = *GImGui; return g.ActiveId; }
inline ImGuiID GetFocusID() { ImGuiContext& g = *GImGui; return g.NavId; }
IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window);
IMGUI_API ImGuiID GetActiveID();
IMGUI_API void SetFocusID(ImGuiID id, ImGuiWindow* window);
IMGUI_API void ClearActiveID();
IMGUI_API void SetHoveredID(ImGuiID id);
IMGUI_API ImGuiID GetHoveredID();
IMGUI_API void SetHoveredID(ImGuiID id);
IMGUI_API void KeepAliveID(ImGuiID id);
IMGUI_API void MarkItemValueChanged(ImGuiID id);
IMGUI_API void ItemSize(const ImVec2& size, float text_offset_y = 0.0f);
IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);