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omar
2017-08-18 00:25:12 +08:00
parent 9bf5028fd3 8be7a60f20
commit bf0d9c123e
6 changed files with 356 additions and 249 deletions
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49
imgui.h
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@ -383,13 +383,14 @@ namespace ImGui
IMGUI_API bool MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true); // return true when activated + toggle (*p_selected) if p_selected != NULL
// Popups
IMGUI_API void OpenPopup(const char* str_id); // mark popup as open. popups are closed when user click outside, or activate a pressable item, or CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level).
IMGUI_API void OpenPopup(const char* str_id); // call to mark popup as open (don't call every frame!). popups are closed when user click outside, or if CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. By default, Selectable()/MenuItem() are calling CloseCurrentPopup(). Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level).
IMGUI_API bool BeginPopup(const char* str_id); // return true if the popup is open, and you can start outputting to it. only call EndPopup() if BeginPopup() returned true!
IMGUI_API bool BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags extra_flags = 0); // modal dialog (block interactions behind the modal window, can't close the modal window by clicking outside)
IMGUI_API bool BeginPopupContextItem(const char* str_id, int mouse_button = 1); // helper to open and begin popup when clicked on last item. read comments in .cpp!
IMGUI_API bool BeginPopupContextWindow(bool also_over_items = true, const char* str_id = NULL, int mouse_button = 1); // helper to open and begin popup when clicked on current window.
IMGUI_API bool BeginPopupContextWindow(const char* str_id = NULL, int mouse_button = 1, bool also_over_items = true); // helper to open and begin popup when clicked on current window.
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, int mouse_button = 1); // helper to open and begin popup when clicked in void (no window).
IMGUI_API void EndPopup();
IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open
IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup.
// Logging: all text output from interface is redirected to tty/file/clipboard. By default, tree nodes are automatically opened during logging.
@ -947,7 +948,7 @@ public:
inline const value_type& back() const { IM_ASSERT(Size > 0); return Data[Size-1]; }
inline void swap(ImVector<T>& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
inline int _grow_capacity(int new_size) { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > new_size ? new_capacity : new_size; }
inline int _grow_capacity(int size) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > size ? new_capacity : size; }
inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
inline void reserve(int new_capacity)
@ -968,15 +969,11 @@ public:
inline iterator insert(const_iterator it, const value_type& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(value_type)); Data[off] = v; Size++; return Data + off; }
};
// Helper: execute a block of code at maximum once a frame
// Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame.
// Helper: execute a block of code at maximum once a frame. Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame.
// Usage:
// IMGUI_ONCE_UPON_A_FRAME
// {
// // code block will be executed one per frame
// }
// Attention! the macro expands into 2 statement so make sure you don't use it within e.g. an if() statement without curly braces.
#define IMGUI_ONCE_UPON_A_FRAME static ImGuiOnceUponAFrame imgui_oaf##__LINE__; if (imgui_oaf##__LINE__)
// static ImGuiOnceUponAFrame oaf;
// if (oaf)
// ImGui::Text("This will be called only once per frame");
struct ImGuiOnceUponAFrame
{
ImGuiOnceUponAFrame() { RefFrame = -1; }
@ -984,6 +981,11 @@ struct ImGuiOnceUponAFrame
operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; }
};
// Helper macro for ImGuiOnceUponAFrame. Attention: The macro expands into 2 statement so make sure you don't use it within e.g. an if() statement without curly braces.
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS // Will obsolete
#define IMGUI_ONCE_UPON_A_FRAME static ImGuiOnceUponAFrame imgui_oaf; if (imgui_oaf)
#endif
// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]"
struct ImGuiTextFilter
{
@ -1007,11 +1009,11 @@ struct ImGuiTextFilter
ImVector<TextRange> Filters;
int CountGrep;
ImGuiTextFilter(const char* default_filter = "");
~ImGuiTextFilter() {}
IMGUI_API ImGuiTextFilter(const char* default_filter = "");
~ImGuiTextFilter() {}
void Clear() { InputBuf[0] = 0; Build(); }
bool Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f); // Helper calling InputText+Build
bool PassFilter(const char* text, const char* text_end = NULL) const;
IMGUI_API bool Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f); // Helper calling InputText+Build
IMGUI_API bool PassFilter(const char* text, const char* text_end = NULL) const;
bool IsActive() const { return !Filters.empty(); }
IMGUI_API void Build();
};
@ -1427,13 +1429,26 @@ struct ImFontAtlas
int TexWidth; // Texture width calculated during Build().
int TexHeight; // Texture height calculated during Build().
int TexDesiredWidth; // Texture width desired by user before Build(). Must be a power-of-two. If have many glyphs your graphics API have texture size restrictions you may want to increase texture width to decrease height.
int TexGlyphPadding; // Padding between glyphs within texture in pixels. Defaults to 1.
ImVec2 TexUvWhitePixel; // Texture coordinates to a white pixel
ImVector<ImFont*> Fonts; // Hold all the fonts returned by AddFont*. Fonts[0] is the default font upon calling ImGui::NewFrame(), use ImGui::PushFont()/PopFont() to change the current font.
// Private
// [Private] User rectangle for packing custom texture data into the atlas.
struct CustomRect
{
unsigned int ID; // Input // User ID. <0x10000 for font mapped data (WIP/UNSUPPORTED), >=0x10000 for other texture data
unsigned short Width, Height; // Input // Desired rectangle dimension
unsigned short X, Y; // Output // Packed position in Atlas
CustomRect() { ID = 0xFFFFFFFF; Width = Height = 0; X = Y = 0xFFFF; }
bool IsPacked() const { return X != 0xFFFF; }
};
// [Private] Members
ImVector<CustomRect> CustomRects; // Rectangles for packing custom texture data into the atlas.
ImVector<ImFontConfig> ConfigData; // Internal data
IMGUI_API bool Build(); // Build pixels data. This is automatically for you by the GetTexData*** functions.
IMGUI_API void RenderCustomTexData(int pass, void* rects);
IMGUI_API int CustomRectRegister(unsigned int id, int width, int height);
IMGUI_API void CustomRectCalcUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max);
};
// Font runtime data and rendering