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Default "local only" clipboard handler on non-Windows platforms
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ocornut
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@ -13,7 +13,7 @@
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//#define IM_ASSERT(_EXPR) MyAssert(_EXPR)
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//---- Don't implement default clipboard handlers for Windows (so as not to link with OpenClipboard(), etc.)
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//#define IMGUI_DONT_IMPLEMENT_WINDOWS_CLIPBOARD_FUNCTIONS
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//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS
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//---- If you are loading a custom font, ImGui expect to find a pure white pixel at (0,0)
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// Change it's UV coordinate here if you can't have a white pixel at (0,0)
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72
imgui.cpp
72
imgui.cpp
@ -146,7 +146,6 @@
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- filters: handle wildcards (with implicit leading/trailing *), regexps
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- shortcuts: add a shortcut api, e.g. parse "&Save" and/or "Save (CTRL+S)", pass in to widgets or provide simple ways to use (button=activate, input=focus)
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- keyboard: full keyboard navigation and focus
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- clipboard: add a default "local" implementation of clipboard functions (user will only need to override them to connect to OS clipboard)
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- misc: not thread-safe
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- optimisation/render: use indexed rendering
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- optimisation/render: move clip-rect to vertex data? would allow merging all commands
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@ -154,8 +153,6 @@
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- optimisation: turn some the various stack vectors into statically-sized arrays
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- optimisation: better clipping for multi-component widgets
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- optimisation: specialize for height based clipping first (assume widgets never go up + height tests before width tests?)
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- optimisation/portability: provide ImVector style implementation
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- optimisation/portability: remove dependency on <algorithm>
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*/
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#include "imgui.h"
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@ -198,15 +195,11 @@ static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs);
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}; // namespace ImGui
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//-----------------------------------------------------------------------------
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// Platform dependant helpers
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// Platform dependant default implementations
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//-----------------------------------------------------------------------------
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#ifdef _MSC_VER
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#ifndef IMGUI_DONT_IMPLEMENT_WINDOWS_CLIPBOARD_FUNCTIONS
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static const char* GetClipboardTextFn_DefaultImplWindows();
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static void SetClipboardTextFn_DefaultImplWindows(const char* text, const char* text_end);
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#endif
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#endif
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static const char* GetClipboardTextFn_DefaultImpl();
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static void SetClipboardTextFn_DefaultImpl(const char* text, const char* text_end);
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//-----------------------------------------------------------------------------
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// User facing structures
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@ -282,12 +275,8 @@ ImGuiIO::ImGuiIO()
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MouseDoubleClickMaxDist = 6.0f;
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// Platform dependant default implementations
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#ifdef _MSC_VER
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#ifndef IMGUI_DONT_IMPLEMENT_WINDOWS_CLIPBOARD_FUNCTIONS
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GetClipboardTextFn = GetClipboardTextFn_DefaultImplWindows;
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SetClipboardTextFn = SetClipboardTextFn_DefaultImplWindows;
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#endif
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#endif
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GetClipboardTextFn = GetClipboardTextFn_DefaultImpl;
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SetClipboardTextFn = SetClipboardTextFn_DefaultImpl;
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}
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// Pass in translated ASCII characters for text input.
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@ -630,6 +619,7 @@ struct ImGuiState
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ImGuiStorage ColorEditModeStorage; // for user selection
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ImGuiID ActiveComboID;
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char Tooltip[1024];
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char* PrivateClipboard; // if no custom clipboard handler is defined
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// Logging
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bool LogEnabled;
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@ -653,6 +643,7 @@ struct ImGuiState
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SliderAsInputTextId = 0;
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ActiveComboID = 0;
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memset(Tooltip, 0, sizeof(Tooltip));
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PrivateClipboard = NULL;
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LogEnabled = false;
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LogFile = NULL;
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LogAutoExpandMaxDepth = 2;
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@ -1313,6 +1304,12 @@ void Shutdown()
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g.IO.Font = NULL;
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}
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if (g.PrivateClipboard)
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{
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free(g.PrivateClipboard);
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g.PrivateClipboard = NULL;
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}
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g.Initialized = false;
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}
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@ -5201,13 +5198,13 @@ void ImBitmapFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& c
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// PLATFORM DEPENDANT HELPERS
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//-----------------------------------------------------------------------------
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#ifdef _MSC_VER
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#ifndef IMGUI_DONT_IMPLEMENT_WINDOWS_CLIPBOARD_FUNCTIONS
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#if defined(_MSC_VER) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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static const char* GetClipboardTextFn_DefaultImplWindows()
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// Win32 API clipboard implementation
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static const char* GetClipboardTextFn_DefaultImpl()
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{
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static char* buf_local = NULL;
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if (buf_local)
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@ -5215,47 +5212,62 @@ static const char* GetClipboardTextFn_DefaultImplWindows()
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free(buf_local);
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buf_local = NULL;
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}
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if (!OpenClipboard(NULL))
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return NULL;
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HANDLE buf_handle = GetClipboardData(CF_TEXT);
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if (buf_handle == NULL)
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return NULL;
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if (char* buf_global = (char*)GlobalLock(buf_handle))
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buf_local = strdup(buf_global);
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GlobalUnlock(buf_handle);
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CloseClipboard();
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return buf_local;
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}
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static void SetClipboardTextFn_DefaultImplWindows(const char* text, const char* text_end)
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// Win32 API clipboard implementation
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static void SetClipboardTextFn_DefaultImpl(const char* text, const char* text_end)
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{
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if (!OpenClipboard(NULL))
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return;
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if (!text_end)
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text_end = text + strlen(text);
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const int buf_length = (text_end - text) + 1;
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HGLOBAL buf_handle = GlobalAlloc(GMEM_MOVEABLE, buf_length * sizeof(char));
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if (buf_handle == NULL)
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return;
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char* buf_global = (char *)GlobalLock(buf_handle);
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memcpy(buf_global, text, text_end - text);
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buf_global[text_end - text] = 0;
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GlobalUnlock(buf_handle);
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EmptyClipboard();
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SetClipboardData(CF_TEXT, buf_handle);
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CloseClipboard();
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}
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#endif // #ifndef IMGUI_DONT_IMPLEMENT_WINDOWS_CLIPBOARD_FUNCTIONS
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#endif // #ifdef _MSC_VER
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#else
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// Local ImGui-only clipboard implementation, if user hasn't defined better clipboard handlers
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static const char* GetClipboardTextFn_DefaultImpl()
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{
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return GImGui.PrivateClipboard;
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}
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// Local ImGui-only clipboard implementation, if user hasn't defined better clipboard handlers
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static void SetClipboardTextFn_DefaultImpl(const char* text, const char* text_end)
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{
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if (GImGui.PrivateClipboard)
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{
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free(GImGui.PrivateClipboard);
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GImGui.PrivateClipboard = NULL;
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}
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if (!text_end)
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text_end = text + strlen(text);
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GImGui.PrivateClipboard = (char*)malloc(text_end - text + 1);
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memcpy(GImGui.PrivateClipboard, text, text_end - text);
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GImGui.PrivateClipboard[text_end - text] = 0;
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}
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#endif
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//-----------------------------------------------------------------------------
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// HELP
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19
imgui.h
19
imgui.h
@ -384,10 +384,16 @@ struct ImGuiIO
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bool FontAllowScaling; // = false // Set to allow scaling text with CTRL+Wheel.
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float PixelCenterOffset; // = 0.5f // Set to 0.0f for DirectX <= 9, 0.5f for Direct3D >= 10 and OpenGL.
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// Settings - Functions (fill once)
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void (*RenderDrawListsFn)(ImDrawList** const draw_lists, int count); // Required
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const char* (*GetClipboardTextFn)(); // Required for clipboard support
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void (*SetClipboardTextFn)(const char* text, const char* text_end); // Required for clipboard support (nb- the string is *NOT* zero-terminated at 'text_end')
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// Settings - Rendering function (REQUIRED)
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// See example code if you are unsure of how to implement this.
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void (*RenderDrawListsFn)(ImDrawList** const draw_lists, int count);
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// Settings - Clipboard Support
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// Override to provide your clipboard handlers.
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// On Windows architecture, defaults to use the native Win32 clipboard, otherwise default to use a ImGui private clipboard.
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// NB- for SetClipboardTextFn, the string is *NOT* zero-terminated at 'text_end'
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const char* (*GetClipboardTextFn)();
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void (*SetClipboardTextFn)(const char* text, const char* text_end);
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// Input - Fill before calling NewFrame()
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ImVec2 MousePos; // Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.)
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@ -525,8 +531,11 @@ struct ImDrawVert
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// User is responsible for providing a renderer for this in ImGuiIO::RenderDrawListFn
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struct ImDrawList
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{
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ImVector<ImDrawCmd> commands;
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// This is what you have to render
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ImVector<ImDrawCmd> commands; // commands
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ImVector<ImDrawVert> vtx_buffer; // each command consume ImDrawCmd::vtx_count of those
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// [Internal to ImGui]
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ImVector<ImVec4> clip_rect_stack; // [internal] clip rect stack while building the command-list (so text command can perform clipping early on)
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ImDrawVert* vtx_write; // [internal] point within vtx_buffer after each add command (to avoid using the ImVector<> operators too much)
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