diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index ab1f0d806..9d919b6b9 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -77,7 +77,7 @@ Other changes: Disabling this was previously possible for Selectable() via a direct flag but not for MenuItem(). (#1379, #1468, #2200, #4936, #5216, #7302, #7573) - This was mostly all previously in imgui_internal.h. -- Multi-Select: added multi-select API and demos. (#1861) +- Multi-Select: added multi-select API and demos. (#1861, #6518) - This system implements standard multi-selection idioms (CTRL+mouse click, CTRL+keyboard moves, SHIFT+mouse click, SHIFT+keyboard moves, etc.) with support for clipper (not submitting non-visible items), box-selection with scrolling, and many other details. diff --git a/imgui_demo.cpp b/imgui_demo.cpp index 88ccce1f0..b31443141 100644 --- a/imgui_demo.cpp +++ b/imgui_demo.cpp @@ -11,7 +11,7 @@ // Get the latest version at https://github.com/ocornut/imgui // How to easily locate code? -// - Use the Item Picker to debug break in code by clicking any widgets: https://github.com/ocornut/imgui/wiki/Debug-Tools +// - Use Tools->Item Picker to debug break in code by clicking any widgets: https://github.com/ocornut/imgui/wiki/Debug-Tools // - Browse an online version the demo with code linked to hovered widgets: https://pthom.github.io/imgui_manual_online/manual/imgui_manual.html // - Find a visible string and search for it in the code! @@ -62,6 +62,7 @@ // - In Visual Studio: CTRL+comma ("Edit.GoToAll") can follow symbols inside comments, whereas CTRL+F12 ("Edit.GoToImplementation") cannot. // - In Visual Studio w/ Visual Assist installed: ALT+G ("VAssistX.GoToImplementation") can also follow symbols inside comments. // - In VS Code, CLion, etc.: CTRL+click can follow symbols inside comments. +// - You can search/grep for all sections listed in the index to find the section. /* @@ -69,14 +70,14 @@ Index of this file: // [SECTION] Forward Declarations // [SECTION] Helpers +// [SECTION] Helpers: ExampleTreeNode, ExampleMemberInfo (for use by Property Editor & Multi-Select demos) // [SECTION] Demo Window / ShowDemoWindow() -// - ShowDemoWindow() -// - sub section: ShowDemoWindowWidgets() -// - sub section: ShowDemoWindowMultiSelect() -// - sub section: ShowDemoWindowLayout() -// - sub section: ShowDemoWindowPopups() -// - sub section: ShowDemoWindowTables() -// - sub section: ShowDemoWindowInputs() +// [SECTION] ShowDemoWindowWidgets() +// [SECTION] ShowDemoWindowMultiSelect() +// [SECTION] ShowDemoWindowLayout() +// [SECTION] ShowDemoWindowPopups() +// [SECTION] ShowDemoWindowTables() +// [SECTION] ShowDemoWindowInputs() // [SECTION] About Window / ShowAboutWindow() // [SECTION] Style Editor / ShowStyleEditor() // [SECTION] User Guide / ShowUserGuide() @@ -84,7 +85,6 @@ Index of this file: // [SECTION] Example App: Debug Console / ShowExampleAppConsole() // [SECTION] Example App: Debug Log / ShowExampleAppLog() // [SECTION] Example App: Simple Layout / ShowExampleAppLayout() -// [SECTION] Helpers: ExampleTreeNode, ExampleMemberInfo (for use by Property Editor etc.) // [SECTION] Example App: Property Editor / ShowExampleAppPropertyEditor() // [SECTION] Example App: Long Text / ShowExampleAppLongText() // [SECTION] Example App: Auto Resize / ShowExampleAppAutoResize() @@ -192,7 +192,7 @@ Index of this file: #endif //----------------------------------------------------------------------------- -// [SECTION] Forward Declarations, Helpers +// [SECTION] Forward Declarations //----------------------------------------------------------------------------- #if !defined(IMGUI_DISABLE_DEMO_WINDOWS) @@ -215,7 +215,7 @@ static void ShowExampleAppWindowTitles(bool* p_open); static void ShowExampleMenuFile(); // We split the contents of the big ShowDemoWindow() function into smaller functions -// (because the link time of very large functions grow non-linearly) +// (because the link time of very large functions tends to grow non-linearly) static void ShowDemoWindowWidgets(); static void ShowDemoWindowMultiSelect(); static void ShowDemoWindowLayout(); @@ -251,16 +251,85 @@ void* GImGuiDemoMarkerCallbackUserData = NULL; #define IMGUI_DEMO_MARKER(section) do { if (GImGuiDemoMarkerCallback != NULL) GImGuiDemoMarkerCallback(__FILE__, __LINE__, section, GImGuiDemoMarkerCallbackUserData); } while (0) //----------------------------------------------------------------------------- -// [SECTION] Demo Window / ShowDemoWindow() +// [SECTION] Helpers: ExampleTreeNode, ExampleMemberInfo (for use by Property Editor etc.) +//----------------------------------------------------------------------------- + +// Simple representation for a tree +// (this is designed to be simple to understand for our demos, not to be fancy or efficient etc.) +struct ExampleTreeNode +{ + // Tree structure + char Name[28]; + int UID = 0; + ExampleTreeNode* Parent = NULL; + ImVector Childs; + + // Leaf Data + bool HasData = false; // All leaves have data + bool DataMyBool = false; + int DataMyInt = 128; + ImVec2 DataMyVec2 = ImVec2(0.0f, 3.141592f); +}; + +// Simple representation of struct metadata/serialization data. +// (this is a minimal version of what a typical advanced application may provide) +struct ExampleMemberInfo +{ + const char* Name; // Member name + ImGuiDataType DataType; // Member type + int DataCount; // Member count (1 when scalar) + int Offset; // Offset inside parent structure +}; + +// Metadata description of ExampleTreeNode struct. +static const ExampleMemberInfo ExampleTreeNodeMemberInfos[] +{ + { "MyBool", ImGuiDataType_Bool, 1, offsetof(ExampleTreeNode, DataMyBool) }, + { "MyInt", ImGuiDataType_S32, 1, offsetof(ExampleTreeNode, DataMyInt) }, + { "MyVec2", ImGuiDataType_Float, 2, offsetof(ExampleTreeNode, DataMyVec2) }, +}; + +static ExampleTreeNode* ExampleTree_CreateNode(const char* name, int uid, ExampleTreeNode* parent) +{ + ExampleTreeNode* node = IM_NEW(ExampleTreeNode); + snprintf(node->Name, IM_ARRAYSIZE(node->Name), "%s", name); + node->UID = uid; + node->Parent = parent; + if (parent) + parent->Childs.push_back(node); + return node; +} + +// Create example tree data +static ExampleTreeNode* ExampleTree_CreateDemoTree() +{ + static const char* root_names[] = { "Apple", "Banana", "Cherry", "Kiwi", "Mango", "Orange", "Pineapple", "Strawberry", "Watermelon" }; + char name_buf[32]; + int uid = 0; + ExampleTreeNode* node_L0 = ExampleTree_CreateNode("", ++uid, NULL); + for (int idx_L0 = 0; idx_L0 < IM_ARRAYSIZE(root_names) * 2; idx_L0++) + { + snprintf(name_buf, 32, "%s %d", root_names[idx_L0 / 2], idx_L0 % 2); + ExampleTreeNode* node_L1 = ExampleTree_CreateNode(name_buf, ++uid, node_L0); + const int number_of_childs = (int)strlen(node_L1->Name); + for (int idx_L1 = 0; idx_L1 < number_of_childs; idx_L1++) + { + snprintf(name_buf, 32, "Child %d", idx_L1); + ExampleTreeNode* node_L2 = ExampleTree_CreateNode(name_buf, ++uid, node_L1); + node_L2->HasData = true; + if (idx_L1 == 0) + { + snprintf(name_buf, 32, "Sub-child %d", 0); + ExampleTreeNode* node_L3 = ExampleTree_CreateNode(name_buf, ++uid, node_L2); + node_L3->HasData = true; + } + } + } + return node_L0; +} + //----------------------------------------------------------------------------- -// - ShowDemoWindow() -// - ShowDemoWindowWidgets() -// - ShowDemoWindowMultiSelect() -// - ShowDemoWindowLayout() -// - ShowDemoWindowPopups() -// - ShowDemoWindowTables() -// - ShowDemoWindowColumns() -// - ShowDemoWindowInputs() +// [SECTION] Demo Window / ShowDemoWindow() //----------------------------------------------------------------------------- // Demonstrate most Dear ImGui features (this is big function!) @@ -610,6 +679,10 @@ void ImGui::ShowDemoWindow(bool* p_open) ImGui::End(); } +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowWidgets() +//----------------------------------------------------------------------------- + static void ShowDemoWindowWidgets() { IMGUI_DEMO_MARKER("Widgets"); @@ -2991,8 +3064,13 @@ struct ExampleDualListBox } }; +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowMultiSelect() +//----------------------------------------------------------------------------- // Multi-selection demos // Also read: https://github.com/ocornut/imgui/wiki/Multi-Select +//----------------------------------------------------------------------------- + static void ShowDemoWindowMultiSelect() { IMGUI_DEMO_MARKER("Widgets/Selection State & Multi-Select"); @@ -3525,6 +3603,10 @@ static void ShowDemoWindowMultiSelect() } } +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowLayout() +//----------------------------------------------------------------------------- + static void ShowDemoWindowLayout() { IMGUI_DEMO_MARKER("Layout"); @@ -4384,6 +4466,10 @@ static void ShowDemoWindowLayout() } } +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowPopups() +//----------------------------------------------------------------------------- + static void ShowDemoWindowPopups() { IMGUI_DEMO_MARKER("Popups"); @@ -4844,6 +4930,10 @@ static void ShowTableColumnsStatusFlags(ImGuiTableColumnFlags flags) ImGui::CheckboxFlags("_IsHovered", &flags, ImGuiTableColumnFlags_IsHovered); } +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowTables() +//----------------------------------------------------------------------------- + static void ShowDemoWindowTables() { //ImGui::SetNextItemOpen(true, ImGuiCond_Once); @@ -6937,6 +7027,10 @@ static void ShowDemoWindowColumns() ImGui::TreePop(); } +//----------------------------------------------------------------------------- +// [SECTION] ShowDemoWindowInputs() +//----------------------------------------------------------------------------- + static void ShowDemoWindowInputs() { IMGUI_DEMO_MARKER("Inputs & Focus"); @@ -8484,83 +8578,6 @@ static void ShowExampleAppLayout(bool* p_open) ImGui::End(); } -//----------------------------------------------------------------------------- -// [SECTION] Helpers: ExampleTreeNode, ExampleMemberInfo (for use by Property Editor etc.) -//----------------------------------------------------------------------------- - -// Simple representation for a tree -// (this is designed to be simple to understand for our demos, not to be efficient etc.) -struct ExampleTreeNode -{ - char Name[28]; - ImGuiID UID = 0; - ExampleTreeNode* Parent = NULL; - ImVector Childs; - - // Data - bool HasData = false; // All leaves have data - bool DataIsEnabled = false; - int DataInt = 128; - ImVec2 DataVec2 = ImVec2(0.0f, 3.141592f); -}; - -// Simple representation of struct metadata/serialization data. -// (this is a minimal version of what a typical advanced application may provide) -struct ExampleMemberInfo -{ - const char* Name; - ImGuiDataType DataType; - int DataCount; - int Offset; -}; - -// Metadata description of ExampleTreeNode struct. -static const ExampleMemberInfo ExampleTreeNodeMemberInfos[] -{ - { "Enabled", ImGuiDataType_Bool, 1, offsetof(ExampleTreeNode, DataIsEnabled) }, - { "MyInt", ImGuiDataType_S32, 1, offsetof(ExampleTreeNode, DataInt) }, - { "MyVec2", ImGuiDataType_Float, 2, offsetof(ExampleTreeNode, DataVec2) }, -}; - -static ExampleTreeNode* ExampleTree_CreateNode(const char* name, const ImGuiID uid, ExampleTreeNode* parent) -{ - ExampleTreeNode* node = IM_NEW(ExampleTreeNode); - snprintf(node->Name, IM_ARRAYSIZE(node->Name), "%s", name); - node->UID = uid; - node->Parent = parent; - if (parent) - parent->Childs.push_back(node); - return node; -} - -// Create example tree data -static ExampleTreeNode* ExampleTree_CreateDemoTree() -{ - static const char* root_names[] = { "Apple", "Banana", "Cherry", "Kiwi", "Mango", "Orange", "Pineapple", "Strawberry", "Watermelon" }; - char name_buf[32]; - ImGuiID uid = 0; - ExampleTreeNode* node_L0 = ExampleTree_CreateNode("", ++uid, NULL); - for (int idx_L0 = 0; idx_L0 < IM_ARRAYSIZE(root_names) * 2; idx_L0++) - { - snprintf(name_buf, 32, "%s %d", root_names[idx_L0 / 2], idx_L0 % 2); - ExampleTreeNode* node_L1 = ExampleTree_CreateNode(name_buf, ++uid, node_L0); - const int number_of_childs = (int)strlen(node_L1->Name); - for (int idx_L1 = 0; idx_L1 < number_of_childs; idx_L1++) - { - snprintf(name_buf, 32, "Child %d", idx_L1); - ExampleTreeNode* node_L2 = ExampleTree_CreateNode(name_buf, ++uid, node_L1); - node_L2->HasData = true; - if (idx_L1 == 0) - { - snprintf(name_buf, 32, "Sub-child %d", 0); - ExampleTreeNode* node_L3 = ExampleTree_CreateNode(name_buf, ++uid, node_L2); - node_L3->HasData = true; - } - } - } - return node_L0; -} - //----------------------------------------------------------------------------- // [SECTION] Example App: Property Editor / ShowExampleAppPropertyEditor() //----------------------------------------------------------------------------- @@ -8601,7 +8618,7 @@ struct ExampleAppPropertyEditor void DrawTreeNode(ExampleTreeNode* node) { // Object tree node - ImGui::PushID((int)node->UID); + ImGui::PushID(node->UID); ImGui::TableNextRow(); ImGui::TableSetColumnIndex(0); ImGui::AlignTextToFramePadding();