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Added ImGuiWindowFlags_AlwaysAutoResize + example app. Calling SetWindowSize(0,0) force an autofit without zero-sizing first.

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This commit is contained in:
omar 2014-11-21 16:29:56 +00:00
parent 2322318cac
commit 8c4fcf1359
2 changed files with 57 additions and 14 deletions
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58
imgui.cpp
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@ -1,4 +1,4 @@
// ImGui library v1.16
// ImGui library v1.17 wip
// See ImGui::ShowTestWindow() for sample code.
// Read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
// Get latest version at https://github.com/ocornut/imgui
@ -796,6 +796,7 @@ struct ImGuiWindow
bool Collapsed; // Set when collapsing window to become only title-bar
bool SkipItems; // == Visible && !Collapsed
int AutoFitFrames;
bool AutoFitOnlyGrows;
ImGuiDrawContext DC;
ImVector<ImGuiID> IDStack;
@ -1057,12 +1058,16 @@ ImGuiWindow::ImGuiWindow(const char* name, ImVec2 default_pos, ImVec2 default_si
Collapsed = false;
SkipItems = false;
AutoFitFrames = -1;
AutoFitOnlyGrows = false;
LastFrameDrawn = -1;
ItemWidthDefault = 0.0f;
FontWindowScale = 1.0f;
if (ImLength(Size) < 0.001f)
{
AutoFitFrames = 2;
AutoFitOnlyGrows = true;
}
DrawList = (ImDrawList*)ImGui::MemAlloc(sizeof(ImDrawList));
new(DrawList) ImDrawList();
@ -2108,6 +2113,7 @@ bool ImGui::Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, I
{
// Hide for 1 frame while resizing
window->AutoFitFrames = 2;
window->AutoFitOnlyGrows = false;
window->Visible = false;
}
}
@ -2170,7 +2176,7 @@ bool ImGui::Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, I
window->Pos = ImVec2((float)(int)window->PosFloat.x, (float)(int)window->PosFloat.y);
// Default item width
if (window->Size.x > 0.0f && !(window->Flags & ImGuiWindowFlags_Tooltip))
if (window->Size.x > 0.0f && !(window->Flags & ImGuiWindowFlags_Tooltip) && !(window->Flags & ImGuiWindowFlags_AlwaysAutoResize))
window->ItemWidthDefault = (float)(int)(window->Size.x * 0.65f);
else
window->ItemWidthDefault = 200.0f;
@ -2238,11 +2244,19 @@ bool ImGui::Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, I
}
else
{
ImVec2 size_auto_fit = ImClamp(window->SizeContentsFit + style.AutoFitPadding, style.WindowMinSize, g.IO.DisplaySize - style.AutoFitPadding);
if (window->AutoFitFrames > 0)
const ImVec2 size_auto_fit = ImClamp(window->SizeContentsFit + style.AutoFitPadding, style.WindowMinSize, g.IO.DisplaySize - style.AutoFitPadding);
if ((window->Flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
{
// Don't continously mark settings as dirty, the size of the window doesn't need to be stored.
window->SizeFull = size_auto_fit;
}
else if (window->AutoFitFrames > 0)
{
// Auto-fit only grows during the first few frames
window->SizeFull = ImMax(window->SizeFull, size_auto_fit);
if (window->AutoFitOnlyGrows)
window->SizeFull = ImMax(window->SizeFull, size_auto_fit);
else
window->SizeFull = size_auto_fit;
MarkSettingsDirty();
}
else if (!(window->Flags & ImGuiWindowFlags_NoResize))
@ -2633,7 +2647,7 @@ void ImGui::PopStyleVar(int count)
else if (ImVec2* pvar_v = GetStyleVarVec2Addr(backup.Var))
*pvar_v = backup.PreviousValue;
g.StyleModifiers.pop_back();
count--;
count--;
}
}
@ -2723,9 +2737,15 @@ ImVec2 ImGui::GetWindowSize()
void ImGui::SetWindowSize(const ImVec2& size)
{
ImGuiWindow* window = GetCurrentWindow();
window->SizeFull = size;
if (ImLength(size) < 0.001f)
window->AutoFitFrames = 3;
{
window->AutoFitFrames = 2;
window->AutoFitOnlyGrows = false;
}
else
{
window->SizeFull = size;
}
}
ImVec2 ImGui::GetContentRegionMax()
@ -6389,6 +6409,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
static void ShowExampleAppConsole(bool* open);
static void ShowExampleAppLongText(bool* open);
static void ShowExampleAppAutoResize(bool* open);
// Demonstrate ImGui features (unfortunately this makes this function a little bloated!)
void ImGui::ShowTestWindow(bool* open)
@ -6894,15 +6915,36 @@ void ImGui::ShowTestWindow(bool* open)
static bool show_app_console = false;
static bool show_app_long_text = false;
static bool show_app_auto_resize = false;
if (ImGui::CollapsingHeader("App Examples"))
{
ImGui::Checkbox("Console", &show_app_console);
ImGui::Checkbox("Long text display", &show_app_long_text);
ImGui::Checkbox("Auto-resizing window", &show_app_auto_resize);
}
if (show_app_console)
ShowExampleAppConsole(&show_app_console);
if (show_app_long_text)
ShowExampleAppLongText(&show_app_long_text);
if (show_app_auto_resize)
ShowExampleAppAutoResize(&show_app_auto_resize);
ImGui::End();
}
static void ShowExampleAppAutoResize(bool* open)
{
if (!ImGui::Begin("Example: Auto-Resizing Window", open, ImVec2(0,0), -1.0f, ImGuiWindowFlags_AlwaysAutoResize))
{
ImGui::End();
return;
}
static int lines = 10;
ImGui::TextWrapped("Window will resize every-frame to the size of its content. Note that you don't want to query the window size to output your content because that would create a feedback loop.");
ImGui::SliderInt("Number of lines", &lines, 1, 20);
for (int i = 0; i < lines; i++)
ImGui::Text("%*sThis is line %d", i*4, "", i); // Pad with space to extend size horizontally
ImGui::End();
}

13
imgui.h
View File

@ -1,4 +1,4 @@
// ImGui library v1.16
// ImGui library v1.17 wip
// See .cpp file for commentary.
// See ImGui::ShowTestWindow() for sample code.
// Read 'Programmer guide' in .cpp for notes on how to setup ImGui in your codebase.
@ -308,11 +308,12 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_NoResize = 1 << 2,
ImGuiWindowFlags_NoMove = 1 << 3,
ImGuiWindowFlags_NoScrollbar = 1 << 4,
ImGuiWindowFlags_ChildWindow = 1 << 5, // For internal use by BeginChild()
ImGuiWindowFlags_ChildWindowAutoFitX = 1 << 6, // For internal use by BeginChild()
ImGuiWindowFlags_ChildWindowAutoFitY = 1 << 7, // For internal use by BeginChild()
ImGuiWindowFlags_ComboBox = 1 << 8, // For internal use by ComboBox()
ImGuiWindowFlags_Tooltip = 1 << 9 // For internal use by Render() when using Tooltip
ImGuiWindowFlags_AlwaysAutoResize = 1 << 5,
ImGuiWindowFlags_ChildWindow = 1 << 6, // For internal use by BeginChild()
ImGuiWindowFlags_ChildWindowAutoFitX = 1 << 7, // For internal use by BeginChild()
ImGuiWindowFlags_ChildWindowAutoFitY = 1 << 8, // For internal use by BeginChild()
ImGuiWindowFlags_ComboBox = 1 << 9, // For internal use by ComboBox()
ImGuiWindowFlags_Tooltip = 1 << 10 // For internal use by Render() when using Tooltip
};
// Flags for ImGui::InputText()