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Cleanup (#219)
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ocornut
parent
88a00f77e9
commit
27961401c6
82
imgui.cpp
82
imgui.cpp
@ -328,41 +328,43 @@
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Q: How can I load a different font than the default? (default is an embedded version of ProggyClean.ttf, rendered at size 13)
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A: Use the font atlas to load the TTF file you want:
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io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels);
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels);
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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Q: How can I load multiple fonts?
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A: Use the font atlas to pack them into a single texture:
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ImFont* font0 = io.Fonts->AddFontDefault();
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ImFont* font1 = io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels);
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ImFont* font2 = io.Fonts->AddFontFromFileTTF("myfontfile2.ttf", size_in_pixels);
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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// the first loaded font gets used by default
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// use ImGui::PushFont()/ImGui::PopFont() to change the font at runtime
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ImFont* font0 = io.Fonts->AddFontDefault();
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ImFont* font1 = io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels);
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ImFont* font2 = io.Fonts->AddFontFromFileTTF("myfontfile2.ttf", size_in_pixels);
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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// the first loaded font gets used by default
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// use ImGui::PushFont()/ImGui::PopFont() to change the font at runtime
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// Options
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ImFontConfig config;
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config.OversampleH = 3;
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config.OversampleV = 3;
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config.GlyphExtraSpacing.x = 1.0f;
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io.Fonts->LoadFromFileTTF("myfontfile.ttf", size_pixels, &config);
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// Options
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ImFontConfig config;
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config.OversampleH = 3;
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config.OversampleV = 3;
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config.GlyphExtraSpacing.x = 1.0f;
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io.Fonts->LoadFromFileTTF("myfontfile.ttf", size_pixels, &config);
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// Merging input from different fonts into one
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ImWchar ranges[] = { 0xf000, 0xf3ff, 0 };
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ImFontConfig config;
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config.MergeMode = true;
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io.Fonts->AddFontDefault();
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io.Fonts->LoadFromFileTTF("fontawesome-webfont.ttf", 16.0f, &config, ranges);
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io.Fonts->LoadFromFileTTF("myfontfile.ttf", size_pixels, NULL, &config, io.Fonts->GetGlyphRangesJapanese());
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// Combine multiple fonts into one
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ImWchar ranges[] = { 0xf000, 0xf3ff, 0 };
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ImFontConfig config;
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config.MergeMode = true;
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io.Fonts->AddFontDefault();
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io.Fonts->LoadFromFileTTF("fontawesome-webfont.ttf", 16.0f, &config, ranges);
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io.Fonts->LoadFromFileTTF("myfontfile.ttf", size_pixels, NULL, &config, io.Fonts->GetGlyphRangesJapanese());
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Read extra_fonts/README.txt or ImFontAtlas class for more details.
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Q: How can I display and input non-latin characters such as Chinese, Japanese, Korean, Cyrillic?
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A: When loading a font, pass custom Unicode ranges to specify the glyphs to load. ImGui will support UTF-8 encoding across the board.
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Character input depends on you passing the right character code to io.AddInputCharacter(). The example applications do that.
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io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels, NULL, io.Fonts->GetGlyphRangesJapanese()); // Load Japanese characters
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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io.ImeWindowHandle = MY_HWND; // To input using Microsoft IME, give ImGui the hwnd of your application
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io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels, NULL, io.Fonts->GetGlyphRangesJapanese()); // Load Japanese characters
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io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8()
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io.ImeWindowHandle = MY_HWND; // To input using Microsoft IME, give ImGui the hwnd of your application
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- tip: the construct 'IMGUI_ONCE_UPON_A_FRAME { ... }' will run the block of code only once a frame. You can use it to quickly add custom UI in the middle of a deep nested inner loop in your code.
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- tip: you can create widgets without a Begin()/End() block, they will go in an implicit window called "Debug"
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@ -374,8 +376,8 @@
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ISSUES & TODO-LIST
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==================
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Issue numbers (#) refer to github issues.
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The list below consist mostly of notes of things to do before they are requested/discussed by users (at that point it usually happens on the github)
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- misc: merge or clarify ImVec4 vs ImRect?
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- window: autofit feedback loop when user relies on any dynamic layout (window width multiplier, column). maybe just clearly drop manual autofit?
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- window: add a way for very transient windows (non-saved, temporary overlay over hundreds of objects) to "clean" up from the global window list.
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- window: allow resizing of child windows (possibly given min/max for each axis?)
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@ -430,7 +432,8 @@
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- slider: initial absolute click is imprecise. change to relative movement slider (same as scrollbar).
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- slider: add dragging-based widgets to edit values with mouse (on 2 axises), saving screen real-estate.
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- slider: tint background based on value (e.g. v_min -> v_max, or use 0.0f either side of the sign)
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- dragfloat: up/down axis
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- slider & drag: int data passing through a float
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- drag float: up/down axis
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- text edit: clean up the mess caused by converting UTF-8 <> wchar. the code is rather inefficient right now.
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- text edit: centered text for slider as input text so it matches typical positioning.
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- text edit: flag to disable live update of the user buffer.
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@ -454,7 +457,6 @@
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- focus: SetKeyboardFocusHere() on with >= 0 offset could be done on same frame (else latch and modulate on beginning of next frame)
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- input: rework IO to be able to pass actual events to fix temporal aliasing issues.
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- input: support track pad style scrolling & slider edit.
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- portability: big-endian test/support (#81)
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- memory: add a way to discard allocs of unused/transient windows. with the current architecture new windows (including popup, opened combos, listbox) perform at least 3 allocs.
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- misc: mark printf compiler attributes on relevant functions
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- misc: provide a way to compile out the entire implementation while providing a dummy API (e.g. #define IMGUI_DUMMY_IMPL)
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@ -558,10 +560,14 @@ static ImGuiWindow* GetFrontMostModalRootWindow();
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static ImVec2 FindBestPopupWindowPos(const ImVec2& base_pos, const ImVec2& size, ImGuiWindowFlags flags, int* last_dir, const ImRect& r_inner);
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static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data);
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static void InputTextApplyArithmeticOp(const char* buf, const char* initial_value_buf, float *v);
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static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
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static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);
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static inline void DataTypeFormatString(ImGuiDataType data_type, void* data_ptr, const char* display_format, char* buf, int buf_size);
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static inline void DataTypeFormatString(ImGuiDataType data_type, void* data_ptr, int decimal_precision, char* buf, int buf_size);
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static void DataTypeApplyOp(ImGuiDataType data_type, int op, void* value1, const void* value2);
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static void DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* data_ptr, const char* scalar_format);
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//-----------------------------------------------------------------------------
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// Platform dependent default implementations
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//-----------------------------------------------------------------------------
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@ -5545,12 +5551,6 @@ ImGuiID ImGui::GetID(const void* ptr_id)
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return GImGui->CurrentWindow->GetID(ptr_id);
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}
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enum ImGuiDataTypeOp
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{
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ImGuiDataTypeOp_Add,
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ImGuiDataTypeOp_Sub
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};
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static inline void DataTypeFormatString(ImGuiDataType data_type, void* data_ptr, const char* display_format, char* buf, int buf_size)
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{
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if (data_type == ImGuiDataType_Int)
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@ -5577,20 +5577,20 @@ static inline void DataTypeFormatString(ImGuiDataType data_type, void* data_ptr,
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}
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}
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static void DataTypeApplyOp(ImGuiDataType data_type, ImGuiDataTypeOp op, void* value1, const void* value2)// Store into value1
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static void DataTypeApplyOp(ImGuiDataType data_type, int op, void* value1, const void* value2)// Store into value1
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{
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if (data_type == ImGuiDataType_Int)
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{
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if (op == ImGuiDataTypeOp_Add)
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if (op == '+')
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*(int*)value1 = *(int*)value1 + *(const int*)value2;
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else if (op == ImGuiDataTypeOp_Sub)
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else if (op == '-')
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*(int*)value1 = *(int*)value1 - *(const int*)value2;
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}
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else if (data_type == ImGuiDataType_Float)
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{
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if (op == ImGuiDataTypeOp_Add)
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if (op == '+')
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*(float*)value1 = *(float*)value1 + *(const float*)value2;
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else if (op == ImGuiDataTypeOp_Sub)
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else if (op == '-')
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*(float*)value1 = *(float*)value1 - *(const float*)value2;
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}
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}
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@ -7412,13 +7412,13 @@ bool ImGui::InputScalarEx(const char* label, ImGuiDataType data_type, void* data
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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if (ButtonEx("-", button_sz, ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups))
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{
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DataTypeApplyOp(data_type, ImGuiDataTypeOp_Sub, data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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DataTypeApplyOp(data_type, '-', data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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value_changed = true;
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}
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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if (ButtonEx("+", button_sz, ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups))
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{
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DataTypeApplyOp(data_type, ImGuiDataTypeOp_Add, data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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DataTypeApplyOp(data_type, '+', data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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value_changed = true;
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}
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}
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