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Demo: moved menu bar code to its own function.
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@ocornut
ocornut committed Jul 19, 2024
1 parent 57eea67 commit 168ef39
Showing 1 changed file with 70 additions and 60 deletions.
130 changes: 70 additions & 60 deletions imgui_demo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ Index of this file:
// [SECTION] Helpers
// [SECTION] Helpers: ExampleTreeNode, ExampleMemberInfo (for use by Property Editor & Multi-Select demos)
// [SECTION] Demo Window / ShowDemoWindow()
// [SECTION] ShowDemoWindowMenuBar()
// [SECTION] ShowDemoWindowWidgets()
// [SECTION] ShowDemoWindowMultiSelect()
// [SECTION] ShowDemoWindowLayout()
Expand Down Expand Up @@ -217,6 +218,7 @@ static void ShowExampleMenuFile();
// We split the contents of the big ShowDemoWindow() function into smaller functions
// (because the link time of very large functions tends to grow non-linearly)
struct DemoWindowData;
static void ShowDemoWindowMenuBar(DemoWindowData* demo_data);
static void ShowDemoWindowWidgets(DemoWindowData* demo_data);
static void ShowDemoWindowMultiSelect(DemoWindowData* demo_data);
static void ShowDemoWindowLayout();
Expand Down Expand Up @@ -443,68 +445,11 @@ void ImGui::ShowDemoWindow(bool* p_open)
}

// Most "big" widgets share a common width settings by default. See 'Demo->Layout->Widgets Width' for details.
// e.g. Use 2/3 of the space for widgets and 1/3 for labels (right align)
//ImGui::PushItemWidth(-ImGui::GetWindowWidth() * 0.35f);
// e.g. Leave a fixed amount of width for labels (by passing a negative value), the rest goes to widgets.
ImGui::PushItemWidth(ImGui::GetFontSize() * -12);
ImGui::PushItemWidth(ImGui::GetFontSize() * -12); // e.g. Leave a fixed amount of width for labels (by passing a negative value), the rest goes to widgets.
//ImGui::PushItemWidth(-ImGui::GetWindowWidth() * 0.35f); // e.g. Use 2/3 of the space for widgets and 1/3 for labels (right align)

// Menu Bar
if (ImGui::BeginMenuBar())
{
if (ImGui::BeginMenu("Menu"))
{
IMGUI_DEMO_MARKER("Menu/File");
ShowExampleMenuFile();
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Examples"))
{
IMGUI_DEMO_MARKER("Menu/Examples");
ImGui::MenuItem("Main menu bar", NULL, &demo.ShowMainMenuBar);

ImGui::SeparatorText("Mini apps");
ImGui::MenuItem("Assets Browser", NULL, &demo.ShowAppAssetsBrowser);
ImGui::MenuItem("Console", NULL, &demo.ShowAppConsole);
ImGui::MenuItem("Custom rendering", NULL, &demo.ShowAppCustomRendering);
ImGui::MenuItem("Documents", NULL, &demo.ShowAppDocuments);
ImGui::MenuItem("Log", NULL, &demo.ShowAppLog);
ImGui::MenuItem("Property editor", NULL, &demo.ShowAppPropertyEditor);
ImGui::MenuItem("Simple layout", NULL, &demo.ShowAppLayout);
ImGui::MenuItem("Simple overlay", NULL, &demo.ShowAppSimpleOverlay);

ImGui::SeparatorText("Concepts");
ImGui::MenuItem("Auto-resizing window", NULL, &demo.ShowAppAutoResize);
ImGui::MenuItem("Constrained-resizing window", NULL, &demo.ShowAppConstrainedResize);
ImGui::MenuItem("Fullscreen window", NULL, &demo.ShowAppFullscreen);
ImGui::MenuItem("Long text display", NULL, &demo.ShowAppLongText);
ImGui::MenuItem("Manipulating window titles", NULL, &demo.ShowAppWindowTitles);

ImGui::EndMenu();
}
//if (ImGui::MenuItem("MenuItem")) {} // You can also use MenuItem() inside a menu bar!
if (ImGui::BeginMenu("Tools"))
{
IMGUI_DEMO_MARKER("Menu/Tools");
#ifndef IMGUI_DISABLE_DEBUG_TOOLS
const bool has_debug_tools = true;
#else
const bool has_debug_tools = false;
#endif
ImGui::MenuItem("Metrics/Debugger", NULL, &demo.ShowMetrics, has_debug_tools);
ImGui::MenuItem("Debug Log", NULL, &demo.ShowDebugLog, has_debug_tools);
ImGui::MenuItem("ID Stack Tool", NULL, &demo.ShowIDStackTool, has_debug_tools);
ImGui::MenuItem("Style Editor", NULL, &demo.ShowStyleEditor);
bool is_debugger_present = ImGui::GetIO().ConfigDebugIsDebuggerPresent;
if (ImGui::MenuItem("Item Picker", NULL, false, has_debug_tools && is_debugger_present))
ImGui::DebugStartItemPicker();
if (!is_debugger_present)
ImGui::SetItemTooltip("Requires io.ConfigDebugIsDebuggerPresent=true to be set.\n\nWe otherwise disable the menu option to avoid casual users crashing the application.\n\nYou can however always access the Item Picker in Metrics->Tools.");
ImGui::Separator();
ImGui::MenuItem("About Dear ImGui", NULL, &demo.ShowAbout);
ImGui::EndMenu();
}
ImGui::EndMenuBar();
}
ShowDemoWindowMenuBar(&demo);

ImGui::Text("dear imgui says hello! (%s) (%d)", IMGUI_VERSION, IMGUI_VERSION_NUM);
ImGui::Spacing();
Expand Down Expand Up @@ -684,6 +629,71 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::End();
}

//-----------------------------------------------------------------------------
// [SECTION] ShowDemoWindowMenuBar()
//-----------------------------------------------------------------------------

static void ShowDemoWindowMenuBar(DemoWindowData* demo_data)
{
IMGUI_DEMO_MARKER("Menu");
if (ImGui::BeginMenuBar())
{
if (ImGui::BeginMenu("Menu"))
{
IMGUI_DEMO_MARKER("Menu/File");
ShowExampleMenuFile();
ImGui::EndMenu();
}
if (ImGui::BeginMenu("Examples"))
{
IMGUI_DEMO_MARKER("Menu/Examples");
ImGui::MenuItem("Main menu bar", NULL, &demo_data->ShowMainMenuBar);

ImGui::SeparatorText("Mini apps");
ImGui::MenuItem("Assets Browser", NULL, &demo_data->ShowAppAssetsBrowser);
ImGui::MenuItem("Console", NULL, &demo_data->ShowAppConsole);
ImGui::MenuItem("Custom rendering", NULL, &demo_data->ShowAppCustomRendering);
ImGui::MenuItem("Documents", NULL, &demo_data->ShowAppDocuments);
ImGui::MenuItem("Log", NULL, &demo_data->ShowAppLog);
ImGui::MenuItem("Property editor", NULL, &demo_data->ShowAppPropertyEditor);
ImGui::MenuItem("Simple layout", NULL, &demo_data->ShowAppLayout);
ImGui::MenuItem("Simple overlay", NULL, &demo_data->ShowAppSimpleOverlay);

ImGui::SeparatorText("Concepts");
ImGui::MenuItem("Auto-resizing window", NULL, &demo_data->ShowAppAutoResize);
ImGui::MenuItem("Constrained-resizing window", NULL, &demo_data->ShowAppConstrainedResize);
ImGui::MenuItem("Fullscreen window", NULL, &demo_data->ShowAppFullscreen);
ImGui::MenuItem("Long text display", NULL, &demo_data->ShowAppLongText);
ImGui::MenuItem("Manipulating window titles", NULL, &demo_data->ShowAppWindowTitles);

ImGui::EndMenu();
}
//if (ImGui::MenuItem("MenuItem")) {} // You can also use MenuItem() inside a menu bar!
if (ImGui::BeginMenu("Tools"))
{
IMGUI_DEMO_MARKER("Menu/Tools");
#ifndef IMGUI_DISABLE_DEBUG_TOOLS
const bool has_debug_tools = true;
#else
const bool has_debug_tools = false;
#endif
ImGui::MenuItem("Metrics/Debugger", NULL, &demo_data->ShowMetrics, has_debug_tools);
ImGui::MenuItem("Debug Log", NULL, &demo_data->ShowDebugLog, has_debug_tools);
ImGui::MenuItem("ID Stack Tool", NULL, &demo_data->ShowIDStackTool, has_debug_tools);
ImGui::MenuItem("Style Editor", NULL, &demo_data->ShowStyleEditor);
bool is_debugger_present = ImGui::GetIO().ConfigDebugIsDebuggerPresent;
if (ImGui::MenuItem("Item Picker", NULL, false, has_debug_tools && is_debugger_present))
ImGui::DebugStartItemPicker();
if (!is_debugger_present)
ImGui::SetItemTooltip("Requires io.ConfigDebugIsDebuggerPresent=true to be set.\n\nWe otherwise disable the menu option to avoid casual users crashing the application.\n\nYou can however always access the Item Picker in Metrics->Tools.");
ImGui::Separator();
ImGui::MenuItem("About Dear ImGui", NULL, &demo_data->ShowAbout);
ImGui::EndMenu();
}
ImGui::EndMenuBar();
}
}

//-----------------------------------------------------------------------------
// [SECTION] ShowDemoWindowWidgets()
//-----------------------------------------------------------------------------
Expand Down

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