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Child window with inverted clip rectangles are marked as collapsed.

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This commit is contained in:
ocornut 2014-08-17 11:28:19 +01:00
parent a165954a69
commit c32221fa20
1 changed files with 26 additions and 1 deletions
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27
imgui.cpp
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@ -119,6 +119,7 @@
- main: make IsHovered() more consistent for various type of widgets, widgets with multiple components, etc. also effectively IsHovered() region sometimes differs from hot region, e.g tree nodes
- main: make IsHovered() info stored in a stack? so that 'if TreeNode() { Text; TreePop; } if IsHovered' return the hover state of the TreeNode?
- scrollbar: use relative mouse movement when first-clicking inside of scroll grab box.
- scrollbar: make the grab visible and a minimum size for long scroll regions
- input number: optional range min/max
- input number: holding [-]/[+] buttons should increase the step non-linearly
- input number: rename Input*() to Input(), Slider*() to Slider() ?
@ -1800,6 +1801,7 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
ImGuiWindow* window = FindWindow(name);
if (!window)
{
// Create window the first time, and load settings
if (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Tooltip))
{
window = new ImGuiWindow(name, ImVec2(0,0), size);
@ -2042,6 +2044,7 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
ImGuiAabb scrollbar_bb(window->Aabb().Max.x - style.ScrollBarWidth, title_bar_aabb.Max.y+1, window->Aabb().Max.x, window->Aabb().Max.y-1);
//window->DrawList->AddLine(scrollbar_bb.GetTL(), scrollbar_bb.GetBL(), g.Colors[ImGuiCol_Border]);
window->DrawList->AddRectFilled(scrollbar_bb.Min, scrollbar_bb.Max, window->Color(ImGuiCol_ScrollbarBg));
scrollbar_bb.Max.x -= 3;
scrollbar_bb.Expand(ImVec2(0,-3));
const float grab_size_y_norm = ImSaturate(window->Size.y / ImMax(window->SizeContentsFit.y, window->Size.y));
@ -2138,9 +2141,14 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
{
// Outer clipping rectangle
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_ComboBox))
ImGui::PushClipRect(g.CurrentWindowStack[g.CurrentWindowStack.size()-2]->ClipRectStack.back());
{
ImGuiWindow* parent_window = g.CurrentWindowStack[g.CurrentWindowStack.size()-2];
ImGui::PushClipRect(parent_window->ClipRectStack.back());
}
else
{
ImGui::PushClipRect(ImVec4(0.0f, 0.0f, g.IO.DisplaySize.x, g.IO.DisplaySize.y));
}
}
// Inner clipping rectangle
@ -2157,6 +2165,21 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
window->Accessed = false;
}
// Child window can be out of sight and have "negative" clip windows.
// Mark them as collapsed so commands are skipped earlier (we can't manually collapse because they have no title bar).
if (flags & ImGuiWindowFlags_ChildWindow)
{
IM_ASSERT((flags & ImGuiWindowFlags_NoTitleBar) != 0);
const ImVec4 clip_rect = window->ClipRectStack.back();
window->Collapsed = (clip_rect.x >= clip_rect.z || clip_rect.y >= clip_rect.w);
// We also hide the window from rendering because we've already added its border to the command list.
// (we could perform the check earlier in the function but it is simplier at this point)
// FIXME-WIP
//if (window->Collapsed)
// window->Visible = false;
}
// Return collapsed so that user can perform an early out optimisation
return !window->Collapsed;
}
@ -4586,6 +4609,8 @@ void Columns(int columns_count, const char* id, bool border)
{
ImGuiState& g = GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (window->Collapsed)
return;
if (window->DC.ColumnsCount != 1)
{