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Demo: moved some fields inside a struct.
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@ocornut
ocornut committed Jul 19, 2024
1 parent 2546d0a commit 57eea67
Showing 1 changed file with 79 additions and 73 deletions.
152 changes: 79 additions & 73 deletions imgui_demo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -216,8 +216,9 @@ 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)
static void ShowDemoWindowWidgets();
static void ShowDemoWindowMultiSelect();
struct DemoWindowData;
static void ShowDemoWindowWidgets(DemoWindowData* demo_data);
static void ShowDemoWindowMultiSelect(DemoWindowData* demo_data);
static void ShowDemoWindowLayout();
static void ShowDemoWindowPopups();
static void ShowDemoWindowTables();
Expand Down Expand Up @@ -332,6 +333,32 @@ static ExampleTreeNode* ExampleTree_CreateDemoTree()
// [SECTION] Demo Window / ShowDemoWindow()
//-----------------------------------------------------------------------------

struct DemoWindowData
{
// Examples Apps (accessible from the "Examples" menu)
bool ShowMainMenuBar = false;
bool ShowAppAssetsBrowser = false;
bool ShowAppConsole = false;
bool ShowAppCustomRendering = false;
bool ShowAppDocuments = false;
bool ShowAppLog = false;
bool ShowAppLayout = false;
bool ShowAppPropertyEditor = false;
bool ShowAppSimpleOverlay = false;
bool ShowAppAutoResize = false;
bool ShowAppConstrainedResize = false;
bool ShowAppFullscreen = false;
bool ShowAppLongText = false;
bool ShowAppWindowTitles = false;

// Dear ImGui Tools (accessible from the "Tools" menu)
bool ShowMetrics = false;
bool ShowDebugLog = false;
bool ShowIDStackTool = false;
bool ShowStyleEditor = false;
bool ShowAbout = false;
};

// Demonstrate most Dear ImGui features (this is big function!)
// You may execute this function to experiment with the UI and understand what it does.
// You may then search for keywords in the code when you are interested by a specific feature.
Expand All @@ -344,58 +371,36 @@ void ImGui::ShowDemoWindow(bool* p_open)
// Verify ABI compatibility between caller code and compiled version of Dear ImGui. This helps detects some build issues.
IMGUI_CHECKVERSION();

// Stored data
static DemoWindowData demo;

// Examples Apps (accessible from the "Examples" menu)
static bool show_app_main_menu_bar = false;
static bool show_app_assets_browser = false;
static bool show_app_console = false;
static bool show_app_custom_rendering = false;
static bool show_app_documents = false;
static bool show_app_log = false;
static bool show_app_layout = false;
static bool show_app_property_editor = false;
static bool show_app_simple_overlay = false;
static bool show_app_auto_resize = false;
static bool show_app_constrained_resize = false;
static bool show_app_fullscreen = false;
static bool show_app_long_text = false;
static bool show_app_window_titles = false;

if (show_app_main_menu_bar) ShowExampleAppMainMenuBar();
if (show_app_documents) ShowExampleAppDocuments(&show_app_documents);
if (show_app_assets_browser) ShowExampleAppAssetsBrowser(&show_app_assets_browser);
if (show_app_console) ShowExampleAppConsole(&show_app_console);
if (show_app_custom_rendering) ShowExampleAppCustomRendering(&show_app_custom_rendering);
if (show_app_log) ShowExampleAppLog(&show_app_log);
if (show_app_layout) ShowExampleAppLayout(&show_app_layout);
if (show_app_property_editor) ShowExampleAppPropertyEditor(&show_app_property_editor);
if (show_app_simple_overlay) ShowExampleAppSimpleOverlay(&show_app_simple_overlay);
if (show_app_auto_resize) ShowExampleAppAutoResize(&show_app_auto_resize);
if (show_app_constrained_resize) ShowExampleAppConstrainedResize(&show_app_constrained_resize);
if (show_app_fullscreen) ShowExampleAppFullscreen(&show_app_fullscreen);
if (show_app_long_text) ShowExampleAppLongText(&show_app_long_text);
if (show_app_window_titles) ShowExampleAppWindowTitles(&show_app_window_titles);
if (demo.ShowMainMenuBar) { ShowExampleAppMainMenuBar(); }
if (demo.ShowAppDocuments) { ShowExampleAppDocuments(&demo.ShowAppDocuments); }
if (demo.ShowAppAssetsBrowser) { ShowExampleAppAssetsBrowser(&demo.ShowAppAssetsBrowser); }
if (demo.ShowAppConsole) { ShowExampleAppConsole(&demo.ShowAppConsole); }
if (demo.ShowAppCustomRendering) { ShowExampleAppCustomRendering(&demo.ShowAppCustomRendering); }
if (demo.ShowAppLog) { ShowExampleAppLog(&demo.ShowAppLog); }
if (demo.ShowAppLayout) { ShowExampleAppLayout(&demo.ShowAppLayout); }
if (demo.ShowAppPropertyEditor) { ShowExampleAppPropertyEditor(&demo.ShowAppPropertyEditor); }
if (demo.ShowAppSimpleOverlay) { ShowExampleAppSimpleOverlay(&demo.ShowAppSimpleOverlay); }
if (demo.ShowAppAutoResize) { ShowExampleAppAutoResize(&demo.ShowAppAutoResize); }
if (demo.ShowAppConstrainedResize) { ShowExampleAppConstrainedResize(&demo.ShowAppConstrainedResize); }
if (demo.ShowAppFullscreen) { ShowExampleAppFullscreen(&demo.ShowAppFullscreen); }
if (demo.ShowAppLongText) { ShowExampleAppLongText(&demo.ShowAppLongText); }
if (demo.ShowAppWindowTitles) { ShowExampleAppWindowTitles(&demo.ShowAppWindowTitles); }

// Dear ImGui Tools (accessible from the "Tools" menu)
static bool show_tool_metrics = false;
static bool show_tool_debug_log = false;
static bool show_tool_id_stack_tool = false;
static bool show_tool_style_editor = false;
static bool show_tool_about = false;

if (show_tool_metrics)
ImGui::ShowMetricsWindow(&show_tool_metrics);
if (show_tool_debug_log)
ImGui::ShowDebugLogWindow(&show_tool_debug_log);
if (show_tool_id_stack_tool)
ImGui::ShowIDStackToolWindow(&show_tool_id_stack_tool);
if (show_tool_style_editor)
{
ImGui::Begin("Dear ImGui Style Editor", &show_tool_style_editor);
if (demo.ShowMetrics) { ImGui::ShowMetricsWindow(&demo.ShowMetrics); }
if (demo.ShowDebugLog) { ImGui::ShowDebugLogWindow(&demo.ShowDebugLog); }
if (demo.ShowIDStackTool) { ImGui::ShowIDStackToolWindow(&demo.ShowIDStackTool); }
if (demo.ShowAbout) { ImGui::ShowAboutWindow(&demo.ShowAbout); }
if (demo.ShowStyleEditor)
{
ImGui::Begin("Dear ImGui Style Editor", &demo.ShowStyleEditor);
ImGui::ShowStyleEditor();
ImGui::End();
}
if (show_tool_about)
ImGui::ShowAboutWindow(&show_tool_about);

// Demonstrate the various window flags. Typically you would just use the default!
static bool no_titlebar = false;
Expand Down Expand Up @@ -455,24 +460,24 @@ void ImGui::ShowDemoWindow(bool* p_open)
if (ImGui::BeginMenu("Examples"))
{
IMGUI_DEMO_MARKER("Menu/Examples");
ImGui::MenuItem("Main menu bar", NULL, &show_app_main_menu_bar);
ImGui::MenuItem("Main menu bar", NULL, &demo.ShowMainMenuBar);

ImGui::SeparatorText("Mini apps");
ImGui::MenuItem("Assets Browser", NULL, &show_app_assets_browser);
ImGui::MenuItem("Console", NULL, &show_app_console);
ImGui::MenuItem("Custom rendering", NULL, &show_app_custom_rendering);
ImGui::MenuItem("Documents", NULL, &show_app_documents);
ImGui::MenuItem("Log", NULL, &show_app_log);
ImGui::MenuItem("Property editor", NULL, &show_app_property_editor);
ImGui::MenuItem("Simple layout", NULL, &show_app_layout);
ImGui::MenuItem("Simple overlay", NULL, &show_app_simple_overlay);
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, &show_app_auto_resize);
ImGui::MenuItem("Constrained-resizing window", NULL, &show_app_constrained_resize);
ImGui::MenuItem("Fullscreen window", NULL, &show_app_fullscreen);
ImGui::MenuItem("Long text display", NULL, &show_app_long_text);
ImGui::MenuItem("Manipulating window titles", NULL, &show_app_window_titles);
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();
}
Expand All @@ -485,17 +490,17 @@ void ImGui::ShowDemoWindow(bool* p_open)
#else
const bool has_debug_tools = false;
#endif
ImGui::MenuItem("Metrics/Debugger", NULL, &show_tool_metrics, has_debug_tools);
ImGui::MenuItem("Debug Log", NULL, &show_tool_debug_log, has_debug_tools);
ImGui::MenuItem("ID Stack Tool", NULL, &show_tool_id_stack_tool, has_debug_tools);
ImGui::MenuItem("Style Editor", NULL, &show_tool_style_editor);
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, &show_tool_about);
ImGui::MenuItem("About Dear ImGui", NULL, &demo.ShowAbout);
ImGui::EndMenu();
}
ImGui::EndMenuBar();
Expand Down Expand Up @@ -620,7 +625,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
IMGUI_DEMO_MARKER("Configuration/Style");
if (ImGui::TreeNode("Style"))
{
ImGui::Checkbox("Style Editor", &show_tool_style_editor);
ImGui::Checkbox("Style Editor", &demo.ShowStyleEditor);
ImGui::SameLine();
HelpMarker("The same contents can be accessed in 'Tools->Style Editor' or by calling the ShowStyleEditor() function.");
ImGui::TreePop();
Expand Down Expand Up @@ -668,7 +673,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
}

// All demo contents
ShowDemoWindowWidgets();
ShowDemoWindowWidgets(&demo);
ShowDemoWindowLayout();
ShowDemoWindowPopups();
ShowDemoWindowTables();
Expand All @@ -683,7 +688,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
// [SECTION] ShowDemoWindowWidgets()
//-----------------------------------------------------------------------------

static void ShowDemoWindowWidgets()
static void ShowDemoWindowWidgets(DemoWindowData* demo_data)
{
IMGUI_DEMO_MARKER("Widgets");
//ImGui::SetNextItemOpen(true, ImGuiCond_Once);
Expand Down Expand Up @@ -1561,7 +1566,7 @@ static void ShowDemoWindowWidgets()
ImGui::TreePop();
}

ShowDemoWindowMultiSelect();
ShowDemoWindowMultiSelect(demo_data);

// To wire InputText() with std::string or any other custom string type,
// see the "Text Input > Resize Callback" section of this demo, and the misc/cpp/imgui_stdlib.h file.
Expand Down Expand Up @@ -3071,7 +3076,7 @@ struct ExampleDualListBox
// Also read: https://github.com/ocornut/imgui/wiki/Multi-Select
//-----------------------------------------------------------------------------

static void ShowDemoWindowMultiSelect()
static void ShowDemoWindowMultiSelect(DemoWindowData* demo_data)
{
IMGUI_DEMO_MARKER("Widgets/Selection State & Multi-Select");
if (ImGui::TreeNode("Selection State & Multi-Select"))
Expand Down Expand Up @@ -3366,7 +3371,8 @@ static void ShowDemoWindowMultiSelect()
// See ShowExampleAppAssetsBrowser()
if (ImGui::TreeNode("Multi-Select (tiled assets browser)"))
{
ImGui::BulletText("See 'Examples->Assets Browser' in menu");
ImGui::Checkbox("Assets Browser", &demo_data->ShowAppAssetsBrowser);
ImGui::Text("(also access from 'Examples->Assets Browser' in menu)");
ImGui::TreePop();
}

Expand Down

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