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Demo: remove some hardcoded sizes.

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ocornut 2026-11-09 12:51:07 +01:00
parent 1b4a7392f7
commit 135a923659
1 changed files with 20 additions and 15 deletions
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35
imgui_demo.cpp
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@ -4652,6 +4652,8 @@ static void DemoWindowLayout()
IMGUI_DEMO_MARKER("Layout/Child windows");
ImGui::SeparatorText("Child windows");
const float ref_sz = ImGui::GetTextLineHeightWithSpacing();
HelpMarker("Use child windows to begin into a self-contained independent scrolling/clipping regions within a host window.");
static bool disable_mouse_wheel = false;
static bool disable_menu = false;
@ -4663,7 +4665,7 @@ static void DemoWindowLayout()
ImGuiWindowFlags window_flags = ImGuiWindowFlags_HorizontalScrollbar;
if (disable_mouse_wheel)
window_flags |= ImGuiWindowFlags_NoScrollWithMouse;
ImGui::BeginChild("ChildL", ImVec2(ImGui::GetContentRegionAvail().x * 0.5f, 260), ImGuiChildFlags_None, window_flags);
ImGui::BeginChild("ChildL", ImVec2(ImGui::GetContentRegionAvail().x * 0.5f, 15 * ref_sz), ImGuiChildFlags_None, window_flags);
for (int i = 0; i < 100; i++)
ImGui::Text("%04d: scrollable region", i);
ImGui::EndChild();
@ -4679,7 +4681,7 @@ static void DemoWindowLayout()
if (!disable_menu)
window_flags |= ImGuiWindowFlags_MenuBar;
ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 5.0f);
ImGui::BeginChild("ChildR", ImVec2(0, 260), ImGuiChildFlags_Borders, window_flags);
ImGui::BeginChild("ChildR", ImVec2(0, 15 * ref_sz), ImGuiChildFlags_Borders, window_flags);
if (!disable_menu && ImGui::BeginMenuBar())
{
if (ImGui::BeginMenu("Menu"))
@ -4708,11 +4710,11 @@ static void DemoWindowLayout()
ImGui::SeparatorText("Manual-resize");
{
HelpMarker("Drag bottom border to resize. Double-click bottom border to auto-fit to vertical contents.");
//if (ImGui::Button("Set Height to 200"))
// ImGui::SetNextWindowSize(ImVec2(-FLT_MIN, 200.0f));
//if (ImGui::Button("Set Height to 300"))
// ImGui::SetNextWindowSize(ImVec2(-FLT_MIN, 300.0f));
ImGui::PushStyleColor(ImGuiCol_ChildBg, ImGui::GetStyleColorVec4(ImGuiCol_FrameBg));
if (ImGui::BeginChild("ResizableChild", ImVec2(-FLT_MIN, ImGui::GetTextLineHeightWithSpacing() * 8), ImGuiChildFlags_Borders | ImGuiChildFlags_ResizeY))
if (ImGui::BeginChild("ResizableChild", ImVec2(-FLT_MIN, ref_sz * 8), ImGuiChildFlags_Borders | ImGuiChildFlags_ResizeY))
for (int n = 0; n < 10; n++)
ImGui::Text("Line %04d", n);
ImGui::PopStyleColor();
@ -4724,12 +4726,12 @@ static void DemoWindowLayout()
{
static int draw_lines = 3;
static int max_height_in_lines = 10;
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
ImGui::SetNextItemWidth(ref_sz * 7);
ImGui::DragInt("Lines Count", &draw_lines, 0.2f);
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
ImGui::SetNextItemWidth(ref_sz * 7);
ImGui::DragInt("Max Height (in Lines)", &max_height_in_lines, 0.2f);
ImGui::SetNextWindowSizeConstraints(ImVec2(0.0f, ImGui::GetTextLineHeightWithSpacing() * 1), ImVec2(FLT_MAX, ImGui::GetTextLineHeightWithSpacing() * max_height_in_lines));
ImGui::SetNextWindowSizeConstraints(ImVec2(0.0f, ref_sz * 1), ImVec2(FLT_MAX, ref_sz * max_height_in_lines));
if (ImGui::BeginChild("ConstrainedChild", ImVec2(-FLT_MIN, 0.0f), ImGuiChildFlags_Borders | ImGuiChildFlags_AutoResizeY))
for (int n = 0; n < draw_lines; n++)
ImGui::Text("Line %04d", n);
@ -4749,7 +4751,7 @@ static void DemoWindowLayout()
static int offset_x = 0;
static bool override_bg_color = true;
static ImGuiChildFlags child_flags = ImGuiChildFlags_Borders | ImGuiChildFlags_ResizeX | ImGuiChildFlags_ResizeY;
ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8);
ImGui::SetNextItemWidth(ref_sz * 7);
ImGui::DragInt("Offset X", &offset_x, 1.0f, -1000, 1000);
ImGui::Checkbox("Override ChildBg color", &override_bg_color);
ImGui::CheckboxFlags("ImGuiChildFlags_Borders", &child_flags, ImGuiChildFlags_Borders);
@ -4764,7 +4766,7 @@ static void DemoWindowLayout()
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (float)offset_x);
if (override_bg_color)
ImGui::PushStyleColor(ImGuiCol_ChildBg, IM_COL32(255, 0, 0, 100));
ImGui::BeginChild("Red", ImVec2(200, 100), child_flags, ImGuiWindowFlags_None);
ImGui::BeginChild("Red", ImVec2(ref_sz * 12.0f, ref_sz * 6.0f), child_flags, ImGuiWindowFlags_None);
if (override_bg_color)
ImGui::PopStyleColor();
@ -4861,7 +4863,7 @@ static void DemoWindowLayout()
if (show_indented_items)
{
ImGui::Indent();
ImGui::DragFloat("float (indented)##6b", &f);
ImGui::DragFloat("##float6b (indented)", &f);
ImGui::Unindent();
}
ImGui::PopItemWidth();
@ -4926,7 +4928,8 @@ static void DemoWindowLayout()
static int selection[4] = { 0, 1, 2, 3 };
for (int i = 0; i < 4; i++)
{
if (i > 0) ImGui::SameLine();
if (i > 0)
ImGui::SameLine();
ImGui::PushID(i);
ImGui::ListBox("", &selection[i], items, IM_COUNTOF(items));
ImGui::PopID();
@ -4934,9 +4937,11 @@ static void DemoWindowLayout()
}
ImGui::PopItemWidth();
const float ref_sz = ImGui::GetTextLineHeightWithSpacing();
// Dummy
IMGUI_DEMO_MARKER("Layout/Basic Horizontal Layout/Dummy");
ImVec2 button_sz(40, 40);
ImVec2 button_sz(ref_sz * 3.0f, ref_sz * 3.0f);
ImGui::Button("A", button_sz); ImGui::SameLine();
ImGui::Dummy(button_sz); ImGui::SameLine();
ImGui::Button("B", button_sz);
@ -5078,9 +5083,9 @@ static void DemoWindowLayout()
ImGui::Indent();
// SmallButton() sets FramePadding to zero. Text baseline is aligned to match baseline of previous Button.
ImGui::Button("80x80", ImVec2(80, 80));
ImGui::Button("120x120", ImVec2(120, 120));
ImGui::SameLine();
ImGui::Button("50x50", ImVec2(50, 50));
ImGui::Button("80x80", ImVec2(80, 80));
ImGui::SameLine();
ImGui::Button("Button()");
ImGui::SameLine();