Refactor: Internals: Moved Popup functions in imgui.cpp in their own section. (part 2) (#2036)

This commit is contained in:
omar 2018-08-30 20:59:24 +02:00
parent b1f263b34b
commit d7c04ccbfb

212
imgui.cpp
View File

@ -4709,112 +4709,6 @@ void ImGui::EndTooltip()
End();
}
bool ImGui::BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags)
{
ImGuiContext& g = *GImGui;
if (!IsPopupOpen(id))
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
char name[20];
if (extra_flags & ImGuiWindowFlags_ChildMenu)
ImFormatString(name, IM_ARRAYSIZE(name), "##Menu_%02d", g.CurrentPopupStack.Size); // Recycle windows based on depth
else
ImFormatString(name, IM_ARRAYSIZE(name), "##Popup_%08x", id); // Not recycling, so we can close/open during the same frame
bool is_open = Begin(name, NULL, extra_flags | ImGuiWindowFlags_Popup);
if (!is_open) // NB: Begin can return false when the popup is completely clipped (e.g. zero size display)
EndPopup();
return is_open;
}
bool ImGui::BeginPopup(const char* str_id, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
if (g.OpenPopupStack.Size <= g.CurrentPopupStack.Size) // Early out for performance
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
return BeginPopupEx(g.CurrentWindow->GetID(str_id), flags|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
const ImGuiID id = window->GetID(name);
if (!IsPopupOpen(id))
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
// Center modal windows by default
// FIXME: Should test for (PosCond & window->SetWindowPosAllowFlags) with the upcoming window.
if (g.NextWindowData.PosCond == 0)
SetNextWindowPos(window->Viewport->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
bool is_open = Begin(name, p_open, flags | ImGuiWindowFlags_Popup | ImGuiWindowFlags_Modal | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings);
if (!is_open || (p_open && !*p_open)) // NB: is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
{
EndPopup();
if (is_open)
ClosePopup(id);
return false;
}
return is_open;
}
void ImGui::EndPopup()
{
ImGuiContext& g = *GImGui; (void)g;
IM_ASSERT(g.CurrentWindow->Flags & ImGuiWindowFlags_Popup); // Mismatched BeginPopup()/EndPopup() calls
IM_ASSERT(g.CurrentPopupStack.Size > 0);
// Make all menus and popups wrap around for now, may need to expose that policy.
NavMoveRequestTryWrapping(g.CurrentWindow, ImGuiNavMoveFlags_LoopY);
End();
}
// This is a helper to handle the simplest case of associating one named popup to one given widget.
// You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// You can pass a NULL str_id to use the identifier of the last item.
bool ImGui::BeginPopupContextItem(const char* str_id, int mouse_button)
{
ImGuiWindow* window = GImGui->CurrentWindow;
ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict!
IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item)
if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextWindow(const char* str_id, int mouse_button, bool also_over_items)
{
if (!str_id)
str_id = "window_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
if (IsMouseReleased(mouse_button) && IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
if (also_over_items || !IsAnyItemHovered())
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
{
if (!str_id)
str_id = "void_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
if (IsMouseReleased(mouse_button) && !IsWindowHovered(ImGuiHoveredFlags_AnyWindow))
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
static bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
@ -7763,6 +7657,112 @@ void ImGui::CloseCurrentPopup()
ClosePopupToLevel(popup_idx);
}
bool ImGui::BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags)
{
ImGuiContext& g = *GImGui;
if (!IsPopupOpen(id))
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
char name[20];
if (extra_flags & ImGuiWindowFlags_ChildMenu)
ImFormatString(name, IM_ARRAYSIZE(name), "##Menu_%02d", g.CurrentPopupStack.Size); // Recycle windows based on depth
else
ImFormatString(name, IM_ARRAYSIZE(name), "##Popup_%08x", id); // Not recycling, so we can close/open during the same frame
bool is_open = Begin(name, NULL, extra_flags | ImGuiWindowFlags_Popup);
if (!is_open) // NB: Begin can return false when the popup is completely clipped (e.g. zero size display)
EndPopup();
return is_open;
}
bool ImGui::BeginPopup(const char* str_id, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
if (g.OpenPopupStack.Size <= g.CurrentPopupStack.Size) // Early out for performance
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
return BeginPopupEx(g.CurrentWindow->GetID(str_id), flags|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
const ImGuiID id = window->GetID(name);
if (!IsPopupOpen(id))
{
g.NextWindowData.Clear(); // We behave like Begin() and need to consume those values
return false;
}
// Center modal windows by default
// FIXME: Should test for (PosCond & window->SetWindowPosAllowFlags) with the upcoming window.
if (g.NextWindowData.PosCond == 0)
SetNextWindowPos(window->Viewport->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
bool is_open = Begin(name, p_open, flags | ImGuiWindowFlags_Popup | ImGuiWindowFlags_Modal | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings);
if (!is_open || (p_open && !*p_open)) // NB: is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
{
EndPopup();
if (is_open)
ClosePopup(id);
return false;
}
return is_open;
}
void ImGui::EndPopup()
{
ImGuiContext& g = *GImGui; (void)g;
IM_ASSERT(g.CurrentWindow->Flags & ImGuiWindowFlags_Popup); // Mismatched BeginPopup()/EndPopup() calls
IM_ASSERT(g.CurrentPopupStack.Size > 0);
// Make all menus and popups wrap around for now, may need to expose that policy.
NavMoveRequestTryWrapping(g.CurrentWindow, ImGuiNavMoveFlags_LoopY);
End();
}
// This is a helper to handle the simplest case of associating one named popup to one given widget.
// You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters).
// You can pass a NULL str_id to use the identifier of the last item.
bool ImGui::BeginPopupContextItem(const char* str_id, int mouse_button)
{
ImGuiWindow* window = GImGui->CurrentWindow;
ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict!
IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item)
if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextWindow(const char* str_id, int mouse_button, bool also_over_items)
{
if (!str_id)
str_id = "window_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
if (IsMouseReleased(mouse_button) && IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
if (also_over_items || !IsAnyItemHovered())
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
{
if (!str_id)
str_id = "void_context";
ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
if (IsMouseReleased(mouse_button) && !IsWindowHovered(ImGuiHoveredFlags_AnyWindow))
OpenPopupEx(id);
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
}
//-----------------------------------------------------------------------------
// NAVIGATION
//-----------------------------------------------------------------------------