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Tidying up. Re-arranged the (first_begin_of_the_frame) blocks in Begin() for further changes.

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Being cautious.
This commit is contained in:
ocornut 2015-05-02 10:32:32 +01:00
parent 19f7bf90f8
commit 3f7f256752
1 changed files with 19 additions and 19 deletions
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38
imgui.cpp
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@ -2215,12 +2215,12 @@ void ImGui::Render()
for (size_t i = 0; i != g.Windows.size(); i++)
{
ImGuiWindow* window = g.Windows[i];
if (window->Flags & ImGuiWindowFlags_ChildWindow) // if a child is visible its parent will add it
if (window->Flags & ImGuiWindowFlags_ChildWindow) // if a child is visible its parent will add it
if (window->Visible)
continue;
AddWindowToSortedBuffer(g.WindowsSortBuffer, window);
}
IM_ASSERT(g.Windows.size() == g.WindowsSortBuffer.size()); // we done something wrong
IM_ASSERT(g.Windows.size() == g.WindowsSortBuffer.size()); // we done something wrong
g.Windows.swap(g.WindowsSortBuffer);
// Clear data for next frame
@ -2975,14 +2975,13 @@ void ImGui::EndChildFrame()
ImGui::PopStyleColor();
}
static ImVec2 FindTooltipPos(const ImVec2& mouse_pos, const ImVec2& size)
static ImVec2 FindBestWindowPos(const ImVec2& mouse_pos, const ImVec2& size, const ImRect& r_inner)
{
const ImGuiStyle& style = GImGui->Style;
// Clamp into visible area while not overlapping the cursor
ImRect r_outer(GetVisibleRect());
r_outer.Reduce(style.DisplaySafeAreaPadding);
ImRect r_inner(mouse_pos.x - 16, mouse_pos.y - 8, mouse_pos.x + 28, mouse_pos.y + 24); // FIXME: Completely hard-coded. Perhaps center on cursor hit-point instead?
ImVec2 mouse_pos_clamped = ImClamp(mouse_pos, r_outer.Min, r_outer.Max - size);
for (int dir = 0; dir < 4; dir++) // right, down, up, left
@ -3152,6 +3151,20 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
if (first_begin_of_the_frame)
{
window->DrawList->Clear();
window->ClipRectStack.resize(0);
}
// Setup texture
window->DrawList->PushTextureID(g.Font->ContainerAtlas->TexID);
// Setup outer clipping rectangle
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_ComboBox))
PushClipRect(parent_window->ClipRectStack.back());
else
PushClipRect(GetVisibleRect());
if (first_begin_of_the_frame)
{
window->Visible = true;
// New windows appears in front
@ -3171,7 +3184,6 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
}
window->LastFrameDrawn = current_frame;
window->ClipRectStack.resize(0);
// Reset contents size for auto-fitting
window->SizeContents = window_is_new ? ImVec2(0.0f, 0.0f) : window->DC.CursorMaxPos - window->Pos;
@ -3183,20 +3195,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->Pos = window->PosFloat = parent_window->DC.CursorPos;
window->SizeFull = size_on_first_use;
}
}
// Setup texture
window->DrawList->PushTextureID(g.Font->ContainerAtlas->TexID);
// Setup outer clipping rectangle
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_ComboBox))
PushClipRect(parent_window->ClipRectStack.back());
else
PushClipRect(GetVisibleRect());
// Setup and draw window
if (first_begin_of_the_frame)
{
// Reset ID stack
window->IDStack.resize(1);
@ -3225,7 +3224,8 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
// Tooltips always follows mouse
if (!window_pos_set_by_api && (window->Flags & ImGuiWindowFlags_Tooltip) != 0)
{
window->PosFloat = FindTooltipPos(g.IO.MousePos, window->Size);
ImRect rect_to_avoid(g.IO.MousePos.x - 16, g.IO.MousePos.y - 8, g.IO.MousePos.x + 28, g.IO.MousePos.y + 24); // FIXME: Completely hard-coded. Perhaps center on cursor hit-point instead?
window->PosFloat = FindBestWindowPos(g.IO.MousePos, window->Size, rect_to_avoid);
}
// Clamp into display