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Merge branch 'master' into docking

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ocornut 2024-09-12 23:19:26 +02:00
commit 8326dabe5e
10 changed files with 309 additions and 209 deletions
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16
.github/workflows/build.yml vendored
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@ -527,6 +527,7 @@ jobs:
emsdk-master/emsdk update
emsdk-master/emsdk install latest
emsdk-master/emsdk activate latest
sudo apt-get install build-essential
- name: Build example_sdl2_opengl3 with Emscripten
run: |
@ -535,13 +536,26 @@ jobs:
popd
make -C examples/example_sdl2_opengl3 -f Makefile.emscripten
- name: Build example_glfw_wgpu
# This build compiles example_glfw_wgpu using Makefile.emscripten and Emscripten GLFW built-in implementation (-sUSE_GLFW=3)
# This ensures 2 things: the make build works, and the GLFW built-in implementation is tested
- name: Build example_glfw_wgpu with Emscripten/Makefile
run: |
pushd emsdk-master
source ./emsdk_env.sh
popd
make -C examples/example_glfw_wgpu -f Makefile.emscripten
# This build compiles example_glfw_wgpu using CMakeLists.txt and Emscripten GLFW contrib port (--use-port=contrib.glfw3)
# This ensures 2 things: the CMake build works, and the GLFW contrib port is tested
- name: Build example_glfw_wgpu with Emscripten/CMake
run: |
pushd emsdk-master
source ./emsdk_env.sh
popd
emcc -v
emcmake cmake -B build -DCMAKE_BUILD_TYPE=Release examples/example_glfw_wgpu
cmake --build build
Android:
runs-on: ubuntu-24.04
steps:

24
backends/imgui_impl_glfw.cpp
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@ -21,6 +21,11 @@
// - Documentation https://dearimgui.com/docs (same as your local docs/ folder).
// - Introduction, links and more at the top of imgui.cpp
// About Emscripten support:
// - Emscripten provides its own GLFW (3.2.1) implementation (syntax: "-sUSE_GLFW=3"), but Joystick is broken and several features are not supported (multiple windows, clipboard, timer, etc.)
// - A third-party Emscripten GLFW (3.4.0) implementation (syntax: "--use-port=contrib.glfw3") fixes the Joystick issue and implements all relevant features for the browser.
// See https://github.com/pongasoft/emscripten-glfw/blob/master/docs/Comparison.md for details.
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
@ -576,7 +581,7 @@ void ImGui_ImplGlfw_SetCallbacksChainForAllWindows(bool chain_for_all_windows)
}
#ifdef __EMSCRIPTEN__
#if EMSCRIPTEN_USE_PORT_CONTRIB_GLFW3 >= 3'4'0'20240817
#if EMSCRIPTEN_USE_PORT_CONTRIB_GLFW3 >= 34020240817
void ImGui_ImplGlfw_EmscriptenOpenURL(const char* url) { if (url) emscripten::glfw3::OpenURL(url); }
#else
EM_JS(void, ImGui_ImplGlfw_EmscriptenOpenURL, (const char* url), { url = url ? UTF8ToString(url) : null; if (url) window.open(url, '_blank'); });
@ -668,6 +673,23 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
::SetWindowLongPtrW((HWND)main_viewport->PlatformHandleRaw, GWLP_WNDPROC, (LONG_PTR)ImGui_ImplGlfw_WndProc);
#endif
// Emscripten: the same application can run on various platforms, so we detect the Apple platform at runtime
// to override io.ConfigMacOSXBehaviors from its default (which is always false in Emscripten).
#ifdef __EMSCRIPTEN__
#if EMSCRIPTEN_USE_PORT_CONTRIB_GLFW3 >= 34020240817
if (emscripten::glfw3::IsRuntimePlatformApple())
{
ImGui::GetIO().ConfigMacOSXBehaviors = true;
// Due to how the browser (poorly) handles the Meta Key, this line essentially disables repeats when used.
// This means that Meta + V only registers a single key-press, even if the keys are held.
// This is a compromise for dealing with this issue in ImGui since ImGui implements key repeat itself.
// See https://github.com/pongasoft/emscripten-glfw/blob/v3.4.0.20240817/docs/Usage.md#the-problem-of-the-super-key
emscripten::glfw3::SetSuperPlusKeyTimeouts(10, 10);
}
#endif
#endif
bd->ClientApi = client_api;
return true;
}

9
docs/CHANGELOG.txt
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@ -63,9 +63,18 @@ Other changes:
#6223, #6364, #6387, #6567, #6692, #6724, #6939, #6984, #7246, #7270, #7375, #7421, #7434,
#7472, #7581, #7724, #7926, #7937 and probably more..)
- Nav: pressing any keyboard key while holding Alt disable toggling nav layer on Alt release. (#4439)
- MultiSelect+Tables: fixed an issue where box-select would skip items while drag-scrolling
in a table with outer borders. (#7970, #7821).
- InputText: internal refactoring to simplify and optimize the code. The ImWchar buffer has been
removed. Simplifications allowed to implement new optimizations for handling very large text buffers
(e.g. in our testing, handling of a 1 MB text buffer is now 3 times faster in VS2022 Debug build).
This is the first step toward more refactorig. (#7925) [@alektron, @ocornut]
- InputText: added CJK double-width punctuation to list of separators considered for CTRL+Arrow.
- Fonts: fixed ellipsis "..." rendering width miscalculation bug introduced in 1.91.0. (#7976) [@DDeimos]
- TextLinkOpenURL(): modified tooltip to display a verb "Open 'xxxx'". (#7885, #7660)
- Backends: SDL2: use SDL_Vulkan_GetDrawableSize() when available. (#7967, #3190) [@scribam]
- Backends: GLFW+Emscripten: use OSX behaviors automatically when using contrib glfw port. (#7965, #7915)
[@ypujante]
Docking+Viewports Branch:

1
docs/TODO.txt
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@ -65,7 +65,6 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
- selectable: generic BeginSelectable()/EndSelectable() mechanism. (work out alongside range-select branch)
- selectable: a way to visualize partial/mixed selection (e.g. parent tree node has children with mixed selection)
- input text: clean up the mess caused by converting UTF-8 <> wchar. the code is rather inefficient right now and super fragile. (WIP branch)
- input text: preserve scrolling when unfocused?
- input text: reorganize event handling, allow CharFilter to modify buffers, allow multiple events? (#541)
- input text: expose CursorPos in char filter event (#816)

1
examples/example_glfw_wgpu/CMakeLists.txt
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@ -91,7 +91,6 @@ if(EMSCRIPTEN)
if("${IMGUI_EMSCRIPTEN_GLFW3}" STREQUAL "--use-port=contrib.glfw3")
target_compile_options(example_glfw_wgpu PUBLIC
"${IMGUI_EMSCRIPTEN_GLFW3}"
"-DEMSCRIPTEN_USE_PORT_CONTRIB_GLFW3" # unnecessary beyond emscripten 3.1.59
)
endif()
message(STATUS "Using ${IMGUI_EMSCRIPTEN_GLFW3} GLFW implementation")

6
imgui.cpp
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@ -2035,7 +2035,7 @@ const char* ImStreolRange(const char* str, const char* str_end)
return p ? p : str_end;
}
const ImWchar* ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin) // find beginning-of-line
const char* ImStrbol(const char* buf_mid_line, const char* buf_begin) // find beginning-of-line
{
while (buf_mid_line > buf_begin && buf_mid_line[-1] != '\n')
buf_mid_line--;
@ -4097,7 +4097,7 @@ static void SetCurrentWindow(ImGuiWindow* window)
if (window)
{
g.FontSize = g.DrawListSharedData.FontSize = window->CalcFontSize();
g.FontScale = g.FontSize / g.Font->FontSize;
g.FontScale = g.DrawListSharedData.FontScale = g.FontSize / g.Font->FontSize;
ImGui::NavUpdateCurrentWindowIsScrollPushableX();
}
}
@ -9663,7 +9663,7 @@ bool ImGui::IsKeyPressed(ImGuiKey key, bool repeat)
return IsKeyPressed(key, repeat ? ImGuiInputFlags_Repeat : ImGuiInputFlags_None, ImGuiKeyOwner_Any);
}
// Important: unless legacy IsKeyPressed(ImGuiKey, bool repeat=true) which DEFAULT to repeat, this requires EXPLICIT repeat.
// Important: unlike legacy IsKeyPressed(ImGuiKey, bool repeat=true) which DEFAULT to repeat, this requires EXPLICIT repeat.
bool ImGui::IsKeyPressed(ImGuiKey key, ImGuiInputFlags flags, ImGuiID owner_id)
{
const ImGuiKeyData* key_data = GetKeyData(key);

2
imgui.h
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@ -29,7 +29,7 @@
// Library Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
#define IMGUI_VERSION "1.91.2 WIP"
#define IMGUI_VERSION_NUM 19113
#define IMGUI_VERSION_NUM 19114
#define IMGUI_HAS_TABLE
#define IMGUI_HAS_VIEWPORT // Viewport WIP branch
#define IMGUI_HAS_DOCK // Docking WIP branch

16
imgui_internal.h
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@ -377,7 +377,7 @@ IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end
IMGUI_API void ImStrTrimBlanks(char* str); // Remove leading and trailing blanks from a buffer.
IMGUI_API const char* ImStrSkipBlank(const char* str); // Find first non-blank character.
IMGUI_API int ImStrlenW(const ImWchar* str); // Computer string length (ImWchar string)
IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line (ImWchar string)
IMGUI_API const char* ImStrbol(const char* buf_mid_line, const char* buf_begin); // Find beginning-of-line
IM_MSVC_RUNTIME_CHECKS_OFF
static inline char ImToUpper(char c) { return (c >= 'a' && c <= 'z') ? c &= ~32 : c; }
static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; }
@ -1108,7 +1108,7 @@ struct IMGUI_API ImGuiInputTextDeactivatedState
#undef IMSTB_TEXTEDIT_STRING
#undef IMSTB_TEXTEDIT_CHARTYPE
#define IMSTB_TEXTEDIT_STRING ImGuiInputTextState
#define IMSTB_TEXTEDIT_CHARTYPE ImWchar
#define IMSTB_TEXTEDIT_CHARTYPE char
#define IMSTB_TEXTEDIT_GETWIDTH_NEWLINE (-1.0f)
#define IMSTB_TEXTEDIT_UNDOSTATECOUNT 99
#define IMSTB_TEXTEDIT_UNDOCHARCOUNT 999
@ -1122,11 +1122,10 @@ struct IMGUI_API ImGuiInputTextState
ImGuiContext* Ctx; // parent UI context (needs to be set explicitly by parent).
ImStbTexteditState* Stb; // State for stb_textedit.h
ImGuiID ID; // widget id owning the text state
int CurLenW, CurLenA; // we need to maintain our buffer length in both UTF-8 and wchar format. UTF-8 length is valid even if TextA is not.
ImVector<ImWchar> TextW; // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer.
ImVector<char> TextA; // temporary UTF8 buffer for callbacks and other operations. this is not updated in every code-path! size=capacity.
int CurLenA; // UTF-8 length of the string in TextA (in bytes)
ImVector<char> TextA; // main UTF8 buffer.
ImVector<char> InitialTextA; // value to revert to when pressing Escape = backup of end-user buffer at the time of focus (in UTF-8, unaltered)
bool TextAIsValid; // temporary UTF8 buffer is not initially valid before we make the widget active (until then we pull the data from user argument)
ImVector<char> CallbackTextBackup; // temporary storage for callback to support automatic reconcile of undo-stack
int BufCapacityA; // end-user buffer capacity
ImVec2 Scroll; // horizontal offset (managed manually) + vertical scrolling (pulled from child window's own Scroll.y)
float CursorAnim; // timer for cursor blink, reset on every user action so the cursor reappears immediately
@ -1140,9 +1139,10 @@ struct IMGUI_API ImGuiInputTextState
ImGuiInputTextState();
~ImGuiInputTextState();
void ClearText() { CurLenW = CurLenA = 0; TextW[0] = 0; TextA[0] = 0; CursorClamp(); }
void ClearFreeMemory() { TextW.clear(); TextA.clear(); InitialTextA.clear(); }
void ClearText() { CurLenA = 0; TextA[0] = 0; CursorClamp(); }
void ClearFreeMemory() { TextA.clear(); InitialTextA.clear(); }
void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation
void OnCharPressed(unsigned int c);
// Cursor & Selection
void CursorAnimReset();

348
imgui_widgets.cpp
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@ -128,7 +128,7 @@ static const ImU64 IM_U64_MAX = (2ULL * 9223372036854775807LL + 1);
// For InputTextEx()
static bool InputTextFilterCharacter(ImGuiContext* ctx, unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data, bool input_source_is_clipboard = false);
static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);
static ImVec2 InputTextCalcTextSize(ImGuiContext* ctx, const char* text_begin, const char* text_end, const char** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);
//-------------------------------------------------------------------------
// [SECTION] Widgets: Text, etc.
@ -3842,7 +3842,8 @@ static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char**
return line_count;
}
static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining, ImVec2* out_offset, bool stop_on_new_line)
// FIXME: Ideally we'd share code with ImFont::CalcTextSizeA()
static ImVec2 InputTextCalcTextSize(ImGuiContext* ctx, const char* text_begin, const char* text_end, const char** remaining, ImVec2* out_offset, bool stop_on_new_line)
{
ImGuiContext& g = *ctx;
ImFont* font = g.Font;
@ -3852,10 +3853,15 @@ static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begi
ImVec2 text_size = ImVec2(0, 0);
float line_width = 0.0f;
const ImWchar* s = text_begin;
const char* s = text_begin;
while (s < text_end)
{
unsigned int c = (unsigned int)(*s++);
unsigned int c = (unsigned int)*s;
if (c < 0x80)
s += 1;
else
s += ImTextCharFromUtf8(&c, s, text_end);
if (c == '\n')
{
text_size.x = ImMax(text_size.x, line_width);
@ -3868,7 +3874,7 @@ static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begi
if (c == '\r')
continue;
const float char_width = font->GetCharAdvance((ImWchar)c) * scale;
const float char_width = ((int)c < font->IndexAdvanceX.Size ? font->IndexAdvanceX.Data[c] : font->FallbackAdvanceX) * scale;
line_width += char_width;
}
@ -3888,19 +3894,21 @@ static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begi
}
// Wrapper for stb_textedit.h to edit text (our wrapper is for: statically sized buffer, single-line, wchar characters. InputText converts between UTF-8 and wchar)
// With our UTF-8 use of stb_textedit:
// - STB_TEXTEDIT_GETCHAR is nothing more than a a "GETBYTE". It's only used to compare to ascii or to copy blocks of text so we are fine.
// - One exception is the STB_TEXTEDIT_IS_SPACE feature which would expect a full char in order to handle full-width space such as 0x3000 (see ImCharIsBlankW).
// - ...but we don't use that feature.
namespace ImStb
{
static int STB_TEXTEDIT_STRINGLEN(const ImGuiInputTextState* obj) { return obj->CurLenW; }
static ImWchar STB_TEXTEDIT_GETCHAR(const ImGuiInputTextState* obj, int idx) { IM_ASSERT(idx <= obj->CurLenW); return obj->TextW[idx]; }
static float STB_TEXTEDIT_GETWIDTH(ImGuiInputTextState* obj, int line_start_idx, int char_idx) { ImWchar c = obj->TextW[line_start_idx + char_idx]; if (c == '\n') return IMSTB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *obj->Ctx; return g.Font->GetCharAdvance(c) * g.FontScale; }
static int STB_TEXTEDIT_KEYTOTEXT(int key) { return key >= 0x200000 ? 0 : key; }
static ImWchar STB_TEXTEDIT_NEWLINE = '\n';
static int STB_TEXTEDIT_STRINGLEN(const ImGuiInputTextState* obj) { return obj->CurLenA; }
static char STB_TEXTEDIT_GETCHAR(const ImGuiInputTextState* obj, int idx) { IM_ASSERT(idx <= obj->CurLenA); return obj->TextA[idx]; }
static float STB_TEXTEDIT_GETWIDTH(ImGuiInputTextState* obj, int line_start_idx, int char_idx) { unsigned int c; ImTextCharFromUtf8(&c, obj->TextA.Data + line_start_idx + char_idx, obj->TextA.Data + obj->TextA.Size); if ((ImWchar)c == '\n') return IMSTB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *obj->Ctx; return g.Font->GetCharAdvance((ImWchar)c) * g.FontScale; }
static char STB_TEXTEDIT_NEWLINE = '\n';
static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* obj, int line_start_idx)
{
const ImWchar* text = obj->TextW.Data;
const ImWchar* text_remaining = NULL;
const ImVec2 size = InputTextCalcTextSizeW(obj->Ctx, text + line_start_idx, text + obj->CurLenW, &text_remaining, NULL, true);
const char* text = obj->TextA.Data;
const char* text_remaining = NULL;
const ImVec2 size = InputTextCalcTextSize(obj->Ctx, text + line_start_idx, text + obj->CurLenA, &text_remaining, NULL, true);
r->x0 = 0.0f;
r->x1 = size.x;
r->baseline_y_delta = size.y;
@ -3909,6 +3917,25 @@ static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, ImGuiInputTextState* ob
r->num_chars = (int)(text_remaining - (text + line_start_idx));
}
#define IMSTB_TEXTEDIT_GETNEXTCHARINDEX IMSTB_TEXTEDIT_GETNEXTCHARINDEX_IMPL
#define IMSTB_TEXTEDIT_GETPREVCHARINDEX IMSTB_TEXTEDIT_GETPREVCHARINDEX_IMPL
static int IMSTB_TEXTEDIT_GETNEXTCHARINDEX_IMPL(ImGuiInputTextState* obj, int idx)
{
if (idx >= obj->CurLenA)
return obj->CurLenA + 1;
unsigned int c;
return idx + ImTextCharFromUtf8(&c, obj->TextA.Data + idx, obj->TextA.Data + obj->TextA.Size);
}
static int IMSTB_TEXTEDIT_GETPREVCHARINDEX_IMPL(ImGuiInputTextState* obj, int idx)
{
if (idx <= 0)
return -1;
const char* p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, obj->TextA.Data + idx);
return (int)(p - obj->TextA.Data);
}
static bool ImCharIsSeparatorW(unsigned int c)
{
static const unsigned int separator_list[] =
@ -3929,10 +3956,15 @@ static int is_word_boundary_from_right(ImGuiInputTextState* obj, int idx)
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool prev_separ = ImCharIsSeparatorW(obj->TextW[idx - 1]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx]);
bool curr_separ = ImCharIsSeparatorW(obj->TextW[idx]);
const char* curr_p = obj->TextA.Data + idx;
const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, curr_p);
unsigned int curr_c; ImTextCharFromUtf8(&curr_c, curr_p, obj->TextA.Data + obj->TextA.Size);
unsigned int prev_c; ImTextCharFromUtf8(&prev_c, prev_p, obj->TextA.Data + obj->TextA.Size);
bool prev_white = ImCharIsBlankW(prev_c);
bool prev_separ = ImCharIsSeparatorW(prev_c);
bool curr_white = ImCharIsBlankW(curr_c);
bool curr_separ = ImCharIsSeparatorW(curr_c);
return ((prev_white || prev_separ) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx)
@ -3940,63 +3972,83 @@ static int is_word_boundary_from_left(ImGuiInputTextState* obj, int idx)
if ((obj->Flags & ImGuiInputTextFlags_Password) || idx <= 0)
return 0;
bool prev_white = ImCharIsBlankW(obj->TextW[idx]);
bool prev_separ = ImCharIsSeparatorW(obj->TextW[idx]);
bool curr_white = ImCharIsBlankW(obj->TextW[idx - 1]);
bool curr_separ = ImCharIsSeparatorW(obj->TextW[idx - 1]);
const char* curr_p = obj->TextA.Data + idx;
const char* prev_p = ImTextFindPreviousUtf8Codepoint(obj->TextA.Data, curr_p);
unsigned int prev_c; ImTextCharFromUtf8(&prev_c, curr_p, obj->TextA.Data + obj->TextA.Size);
unsigned int curr_c; ImTextCharFromUtf8(&curr_c, prev_p, obj->TextA.Data + obj->TextA.Size);
bool prev_white = ImCharIsBlankW(prev_c);
bool prev_separ = ImCharIsSeparatorW(prev_c);
bool curr_white = ImCharIsBlankW(curr_c);
bool curr_separ = ImCharIsSeparatorW(curr_c);
return ((prev_white) && !(curr_separ || curr_white)) || (curr_separ && !prev_separ);
}
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(ImGuiInputTextState* obj, int idx) { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDRIGHT_WIN(ImGuiInputTextState* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; }
static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(ImGuiInputTextState* obj, int idx)
{
idx = IMSTB_TEXTEDIT_GETPREVCHARINDEX(obj, idx);
while (idx >= 0 && !is_word_boundary_from_right(obj, idx))
idx = IMSTB_TEXTEDIT_GETPREVCHARINDEX(obj, idx);
return idx < 0 ? 0 : idx;
}
static int STB_TEXTEDIT_MOVEWORDRIGHT_MAC(ImGuiInputTextState* obj, int idx)
{
int len = obj->CurLenA;
idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
while (idx < len && !is_word_boundary_from_left(obj, idx))
idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
return idx > len ? len : idx;
}
static int STB_TEXTEDIT_MOVEWORDRIGHT_WIN(ImGuiInputTextState* obj, int idx)
{
idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
int len = obj->CurLenA;
while (idx < len && !is_word_boundary_from_right(obj, idx))
idx = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx);
return idx > len ? len : idx;
}
static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(ImGuiInputTextState* obj, int idx) { ImGuiContext& g = *obj->Ctx; if (g.IO.ConfigMacOSXBehaviors) return STB_TEXTEDIT_MOVEWORDRIGHT_MAC(obj, idx); else return STB_TEXTEDIT_MOVEWORDRIGHT_WIN(obj, idx); }
#define STB_TEXTEDIT_MOVEWORDLEFT STB_TEXTEDIT_MOVEWORDLEFT_IMPL // They need to be #define for stb_textedit.h
#define STB_TEXTEDIT_MOVEWORDRIGHT STB_TEXTEDIT_MOVEWORDRIGHT_IMPL
#define STB_TEXTEDIT_MOVEWORDLEFT STB_TEXTEDIT_MOVEWORDLEFT_IMPL // They need to be #define for stb_textedit.h
#define STB_TEXTEDIT_MOVEWORDRIGHT STB_TEXTEDIT_MOVEWORDRIGHT_IMPL
static void STB_TEXTEDIT_DELETECHARS(ImGuiInputTextState* obj, int pos, int n)
{
ImWchar* dst = obj->TextW.Data + pos;
char* dst = obj->TextA.Data + pos;
// We maintain our buffer length in both UTF-8 and wchar formats
obj->Edited = true;
obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n);
obj->CurLenW -= n;
obj->CurLenA -= n;
// Offset remaining text (FIXME-OPT: Use memmove)
const ImWchar* src = obj->TextW.Data + pos + n;
while (ImWchar c = *src++)
const char* src = obj->TextA.Data + pos + n;
while (char c = *src++)
*dst++ = c;
*dst = '\0';
}
static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const ImWchar* new_text, int new_text_len)
static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const char* new_text, int new_text_len)
{
const bool is_resizable = (obj->Flags & ImGuiInputTextFlags_CallbackResize) != 0;
const int text_len = obj->CurLenW;
const int text_len = obj->CurLenA;
IM_ASSERT(pos <= text_len);
const int new_text_len_utf8 = ImTextCountUtf8BytesFromStr(new_text, new_text + new_text_len);
if (!is_resizable && (new_text_len_utf8 + obj->CurLenA + 1 > obj->BufCapacityA))
if (!is_resizable && (new_text_len + obj->CurLenA + 1 > obj->BufCapacityA))
return false;
// Grow internal buffer if needed
if (new_text_len + text_len + 1 > obj->TextW.Size)
if (new_text_len + text_len + 1 > obj->TextA.Size)
{
if (!is_resizable)
return false;
IM_ASSERT(text_len < obj->TextW.Size);
obj->TextW.resize(text_len + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1);
obj->TextA.resize(text_len + ImClamp(new_text_len, 32, ImMax(256, new_text_len)) + 1);
}
ImWchar* text = obj->TextW.Data;
char* text = obj->TextA.Data;
if (pos != text_len)
memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos) * sizeof(ImWchar));
memcpy(text + pos, new_text, (size_t)new_text_len * sizeof(ImWchar));
memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos));
memcpy(text + pos, new_text, (size_t)new_text_len);
obj->Edited = true;
obj->CurLenW += new_text_len;
obj->CurLenA += new_text_len_utf8;
obj->TextW[obj->CurLenW] = '\0';
obj->CurLenA += new_text_len;
obj->TextA[obj->CurLenA] = '\0';
return true;
}
@ -4028,8 +4080,8 @@ static bool STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const Im
// the stb_textedit_paste() function creates two separate records, so we perform it manually. (FIXME: Report to nothings/stb?)
static void stb_textedit_replace(ImGuiInputTextState* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
{
stb_text_makeundo_replace(str, state, 0, str->CurLenW, text_len);
ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenW);
stb_text_makeundo_replace(str, state, 0, str->CurLenA, text_len);
ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenA);
state->cursor = state->select_start = state->select_end = 0;
if (text_len <= 0)
return;
@ -4063,15 +4115,26 @@ void ImGuiInputTextState::OnKeyPressed(int key)
CursorAnimReset();
}
void ImGuiInputTextState::OnCharPressed(unsigned int c)
{
// Convert the key to a UTF8 byte sequence.
// The changes we had to make to stb_textedit_key made it very much UTF-8 specific which is not too great.
char utf8[5];
ImTextCharToUtf8(utf8, c);
stb_textedit_text(this, Stb, utf8, (int)strlen(utf8));
CursorFollow = true;
CursorAnimReset();
}
// Those functions are not inlined in imgui_internal.h, allowing us to hide ImStbTexteditState from that header.
void ImGuiInputTextState::CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking
void ImGuiInputTextState::CursorClamp() { Stb->cursor = ImMin(Stb->cursor, CurLenW); Stb->select_start = ImMin(Stb->select_start, CurLenW); Stb->select_end = ImMin(Stb->select_end, CurLenW); }
void ImGuiInputTextState::CursorClamp() { Stb->cursor = ImMin(Stb->cursor, CurLenA); Stb->select_start = ImMin(Stb->select_start, CurLenA); Stb->select_end = ImMin(Stb->select_end, CurLenA); }
bool ImGuiInputTextState::HasSelection() const { return Stb->select_start != Stb->select_end; }
void ImGuiInputTextState::ClearSelection() { Stb->select_start = Stb->select_end = Stb->cursor; }
int ImGuiInputTextState::GetCursorPos() const { return Stb->cursor; }
int ImGuiInputTextState::GetSelectionStart() const { return Stb->select_start; }
int ImGuiInputTextState::GetSelectionEnd() const { return Stb->select_end; }
void ImGuiInputTextState::SelectAll() { Stb->select_start = 0; Stb->cursor = Stb->select_end = CurLenW; Stb->has_preferred_x = 0; }
void ImGuiInputTextState::SelectAll() { Stb->select_start = 0; Stb->cursor = Stb->select_end = CurLenA; Stb->has_preferred_x = 0; }
void ImGuiInputTextState::ReloadUserBufAndSelectAll() { ReloadUserBuf = true; ReloadSelectionStart = 0; ReloadSelectionEnd = INT_MAX; }
void ImGuiInputTextState::ReloadUserBufAndKeepSelection() { ReloadUserBuf = true; ReloadSelectionStart = Stb->select_start; ReloadSelectionEnd = Stb->select_end; }
void ImGuiInputTextState::ReloadUserBufAndMoveToEnd() { ReloadUserBuf = true; ReloadSelectionStart = ReloadSelectionEnd = INT_MAX; }
@ -4244,26 +4307,21 @@ static bool InputTextFilterCharacter(ImGuiContext* ctx, unsigned int* p_char, Im
// FIXME: Ideally we should transition toward (1) making InsertChars()/DeleteChars() update undo-stack (2) discourage (and keep reconcile) or obsolete (and remove reconcile) accessing buffer directly.
static void InputTextReconcileUndoStateAfterUserCallback(ImGuiInputTextState* state, const char* new_buf_a, int new_length_a)
{
ImGuiContext& g = *GImGui;
const ImWchar* old_buf = state->TextW.Data;
const int old_length = state->CurLenW;
const int new_length = ImTextCountCharsFromUtf8(new_buf_a, new_buf_a + new_length_a);
g.TempBuffer.reserve_discard((new_length + 1) * sizeof(ImWchar));
ImWchar* new_buf = (ImWchar*)(void*)g.TempBuffer.Data;
ImTextStrFromUtf8(new_buf, new_length + 1, new_buf_a, new_buf_a + new_length_a);
const char* old_buf = state->CallbackTextBackup.Data;
const int old_length = state->CallbackTextBackup.Size - 1;
const int shorter_length = ImMin(old_length, new_length);
const int shorter_length = ImMin(old_length, new_length_a);
int first_diff;
for (first_diff = 0; first_diff < shorter_length; first_diff++)
if (old_buf[first_diff] != new_buf[first_diff])
if (old_buf[first_diff] != new_buf_a[first_diff])
break;
if (first_diff == old_length && first_diff == new_length)
if (first_diff == old_length && first_diff == new_length_a)
return;
int old_last_diff = old_length - 1;
int new_last_diff = new_length - 1;
int old_last_diff = old_length - 1;
int new_last_diff = new_length_a - 1;
for (; old_last_diff >= first_diff && new_last_diff >= first_diff; old_last_diff--, new_last_diff--)
if (old_buf[old_last_diff] != new_buf[new_last_diff])
if (old_buf[old_last_diff] != new_buf_a[new_last_diff])
break;
const int insert_len = new_last_diff - first_diff + 1;
@ -4271,7 +4329,7 @@ static void InputTextReconcileUndoStateAfterUserCallback(ImGuiInputTextState* st
if (insert_len > 0 || delete_len > 0)
if (IMSTB_TEXTEDIT_CHARTYPE* p = stb_text_createundo(&state->Stb->undostate, first_diff, delete_len, insert_len))
for (int i = 0; i < delete_len; i++)
p[i] = ImStb::STB_TEXTEDIT_GETCHAR(state, first_diff + i);
p[i] = old_buf[first_diff + i];
}
// As InputText() retain textual data and we currently provide a path for user to not retain it (via local variables)
@ -4436,17 +4494,14 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// Preserve cursor position and undo/redo stack if we come back to same widget
// FIXME: Since we reworked this on 2022/06, may want to differentiate recycle_cursor vs recycle_undostate?
bool recycle_state = (state->ID == id && !init_changed_specs && !init_reload_from_user_buf);
if (recycle_state && (state->CurLenA != buf_len || (state->TextAIsValid && strncmp(state->TextA.Data, buf, buf_len) != 0)))
if (recycle_state && (state->CurLenA != buf_len || (strncmp(state->TextA.Data, buf, buf_len) != 0)))
recycle_state = false;
// Start edition
const char* buf_end = NULL;
state->ID = id;
state->TextW.resize(buf_size + 1); // wchar count <= UTF-8 count. we use +1 to make sure that .Data is always pointing to at least an empty string.
state->TextA.resize(0);
state->TextAIsValid = false; // TextA is not valid yet (we will display buf until then)
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, buf_size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf); // We can't get the result from ImStrncpy() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8.
state->TextA.resize(buf_size + 1); // we use +1 to make sure that .Data is always pointing to at least an empty string.
state->CurLenA = (int)strlen(buf);
memcpy(state->TextA.Data, buf, state->CurLenA + 1);
if (recycle_state)
{
@ -4528,20 +4583,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
bool value_changed = false;
bool validated = false;
// When read-only we always use the live data passed to the function
// FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :(
if (is_readonly && state != NULL && (render_cursor || render_selection))
{
const char* buf_end = NULL;
state->TextW.resize(buf_size + 1);
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf);
state->CursorClamp();
render_selection &= state->HasSelection();
}
// Select the buffer to render.
const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid;
const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state;
const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0);
// Password pushes a temporary font with only a fallback glyph
@ -4561,11 +4604,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
// Process mouse inputs and character inputs
int backup_current_text_length = 0;
if (g.ActiveId == id)
{
IM_ASSERT(state != NULL);
backup_current_text_length = state->CurLenA;
state->Edited = false;
state->BufCapacityA = buf_size;
state->Flags = flags;
@ -4646,7 +4687,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
{
unsigned int c = '\t'; // Insert TAB
if (InputTextFilterCharacter(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
state->OnCharPressed(c);
}
// FIXME: Implement Shift+Tab
/*
@ -4669,7 +4710,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
if (c == '\t') // Skip Tab, see above.
continue;
if (InputTextFilterCharacter(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
state->OnCharPressed(c);
}
// Consume characters
@ -4753,7 +4794,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
{
unsigned int c = '\n'; // Insert new line
if (InputTextFilterCharacter(&g, &c, flags, callback, callback_user_data))
state->OnKeyPressed((int)c);
state->OnCharPressed(c);
}
}
else if (is_cancel)
@ -4792,12 +4833,12 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
if (g.PlatformIO.Platform_SetClipboardTextFn != NULL)
{
const int ib = state->HasSelection() ? ImMin(state->Stb->select_start, state->Stb->select_end) : 0;
const int ie = state->HasSelection() ? ImMax(state->Stb->select_start, state->Stb->select_end) : state->CurLenW;
const int clipboard_data_len = ImTextCountUtf8BytesFromStr(state->TextW.Data + ib, state->TextW.Data + ie) + 1;
char* clipboard_data = (char*)IM_ALLOC(clipboard_data_len * sizeof(char));
ImTextStrToUtf8(clipboard_data, clipboard_data_len, state->TextW.Data + ib, state->TextW.Data + ie);
SetClipboardText(clipboard_data);
MemFree(clipboard_data);
const int ie = state->HasSelection() ? ImMax(state->Stb->select_start, state->Stb->select_end) : state->CurLenA;
char backup = state->TextA.Data[ie];
state->TextA.Data[ie] = 0; // A bit of a hack since SetClipboardText only takes null terminated strings
SetClipboardText(state->TextA.Data + ib);
state->TextA.Data[ie] = backup;
}
if (is_cut)
{
@ -4813,15 +4854,17 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
{
// Filter pasted buffer
const int clipboard_len = (int)strlen(clipboard);
ImWchar* clipboard_filtered = (ImWchar*)IM_ALLOC((clipboard_len + 1) * sizeof(ImWchar));
char* clipboard_filtered = (char*)IM_ALLOC(clipboard_len + 1);
int clipboard_filtered_len = 0;
for (const char* s = clipboard; *s != 0; )
{
unsigned int c;
s += ImTextCharFromUtf8(&c, s, NULL);
int len = ImTextCharFromUtf8(&c, s, NULL);
s += len;
if (!InputTextFilterCharacter(&g, &c, flags, callback, callback_user_data, true))
continue;
clipboard_filtered[clipboard_filtered_len++] = (ImWchar)c;
memcpy(clipboard_filtered + clipboard_filtered_len, s - len, len);
clipboard_filtered_len += len;
}
clipboard_filtered[clipboard_filtered_len] = 0;
if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation
@ -4857,27 +4900,14 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
else if (strcmp(buf, state->InitialTextA.Data) != 0)
{
// Restore initial value. Only return true if restoring to the initial value changes the current buffer contents.
// Push records into the undo stack so we can CTRL+Z the revert operation itself
apply_new_text = state->InitialTextA.Data;
apply_new_text_length = state->InitialTextA.Size - 1;
value_changed = true;
ImVector<ImWchar> w_text;
if (apply_new_text_length > 0)
{
w_text.resize(ImTextCountCharsFromUtf8(apply_new_text, apply_new_text + apply_new_text_length) + 1);
ImTextStrFromUtf8(w_text.Data, w_text.Size, apply_new_text, apply_new_text + apply_new_text_length);
}
stb_textedit_replace(state, state->Stb, w_text.Data, (apply_new_text_length > 0) ? (w_text.Size - 1) : 0);
}
}
// Apply ASCII value
if (!is_readonly)
{
state->TextAIsValid = true;
state->TextA.resize(state->TextW.Size * 4 + 1);
ImTextStrToUtf8(state->TextA.Data, state->TextA.Size, state->TextW.Data, NULL);
// Restore initial value. Only return true if restoring to the initial value changes the current buffer contents.
// Push records into the undo stack so we can CTRL+Z the revert operation itself
value_changed = true;
stb_textedit_replace(state, state->Stb, state->InitialTextA.Data, state->InitialTextA.Size - 1);
}
}
// When using 'ImGuiInputTextFlags_EnterReturnsTrue' as a special case we reapply the live buffer back to the input buffer
@ -4934,6 +4964,10 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
callback_data.Flags = flags;
callback_data.UserData = callback_user_data;
// FIXME-OPT: Undo stack reconcile needs a backup of the data until we rework API, see #7925
state->CallbackTextBackup.resize(state->CurLenA + 1);
memcpy(state->CallbackTextBackup.Data, state->TextA.Data, state->CurLenA + 1);
char* callback_buf = is_readonly ? buf : state->TextA.Data;
callback_data.EventKey = event_key;
callback_data.Buf = callback_buf;
@ -4941,11 +4975,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
callback_data.BufSize = state->BufCapacityA;
callback_data.BufDirty = false;
// We have to convert from wchar-positions to UTF-8-positions, which can be pretty slow (an incentive to ditch the ImWchar buffer, see https://github.com/nothings/stb/issues/188)
ImWchar* text = state->TextW.Data;
const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + state->Stb->cursor);
const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + state->Stb->select_start);
const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + state->Stb->select_end);
const int utf8_cursor_pos = callback_data.CursorPos = state->Stb->cursor;
const int utf8_selection_start = callback_data.SelectionStart = state->Stb->select_start;
const int utf8_selection_end = state->Stb->select_end;
// Call user code
callback(&callback_data);
@ -4956,18 +4988,16 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
IM_ASSERT(callback_data.BufSize == state->BufCapacityA);
IM_ASSERT(callback_data.Flags == flags);
const bool buf_dirty = callback_data.BufDirty;
if (callback_data.CursorPos != utf8_cursor_pos || buf_dirty) { state->Stb->cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); state->CursorFollow = true; }
if (callback_data.SelectionStart != utf8_selection_start || buf_dirty) { state->Stb->select_start = (callback_data.SelectionStart == callback_data.CursorPos) ? state->Stb->cursor : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); }
if (callback_data.SelectionEnd != utf8_selection_end || buf_dirty) { state->Stb->select_end = (callback_data.SelectionEnd == callback_data.SelectionStart) ? state->Stb->select_start : ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); }
if (callback_data.CursorPos != utf8_cursor_pos || buf_dirty) { state->Stb->cursor = callback_data.CursorPos; state->CursorFollow = true; }
if (callback_data.SelectionStart != utf8_selection_start || buf_dirty) { state->Stb->select_start = (callback_data.SelectionStart == callback_data.CursorPos) ? state->Stb->cursor : callback_data.SelectionStart; }
if (callback_data.SelectionEnd != utf8_selection_end || buf_dirty) { state->Stb->select_end = (callback_data.SelectionEnd == callback_data.SelectionStart) ? state->Stb->select_start : callback_data.SelectionEnd; }
if (buf_dirty)
{
// Callback may update buffer and thus set buf_dirty even in read-only mode.
IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text!
InputTextReconcileUndoStateAfterUserCallback(state, callback_data.Buf, callback_data.BufTextLen); // FIXME: Move the rest of this block inside function and rename to InputTextReconcileStateAfterUserCallback() ?
if (callback_data.BufTextLen > backup_current_text_length && is_resizable)
state->TextW.resize(state->TextW.Size + (callback_data.BufTextLen - backup_current_text_length)); // Worse case scenario resize
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, callback_data.Buf, NULL);
state->CurLenA = callback_data.BufTextLen; // Assume correct length and valid UTF-8 from user, saves us an extra strlen()
state->TextA.Size = state->CurLenA + 1;
state->CursorAnimReset();
}
}
@ -4999,9 +5029,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// Copy result to user buffer. This can currently only happen when (g.ActiveId == id)
if (apply_new_text != NULL)
{
// We cannot test for 'backup_current_text_length != apply_new_text_length' here because we have no guarantee that the size
// of our owned buffer matches the size of the string object held by the user, and by design we allow InputText() to be used
// without any storage on user's side.
//// We cannot test for 'backup_current_text_length != apply_new_text_length' here because we have no guarantee that the size
//// of our owned buffer matches the size of the string object held by the user, and by design we allow InputText() to be used
//// without any storage on user's side.
IM_ASSERT(apply_new_text_length >= 0);
if (is_resizable)
{
@ -5070,12 +5100,12 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// - Measure text height (for scrollbar)
// We are attempting to do most of that in **one main pass** to minimize the computation cost (non-negligible for large amount of text) + 2nd pass for selection rendering (we could merge them by an extra refactoring effort)
// FIXME: This should occur on buf_display but we'd need to maintain cursor/select_start/select_end for UTF-8.
const ImWchar* text_begin = state->TextW.Data;
const char* text_begin = state->TextA.Data;
ImVec2 cursor_offset, select_start_offset;
{
// Find lines numbers straddling 'cursor' (slot 0) and 'select_start' (slot 1) positions.
const ImWchar* searches_input_ptr[2] = { NULL, NULL };
const char* searches_input_ptr[2] = { NULL, NULL };
int searches_result_line_no[2] = { -1000, -1000 };
int searches_remaining = 0;
if (render_cursor)
@ -5095,14 +5125,12 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// In multi-line mode, we never exit the loop until all lines are counted, so add one extra to the searches_remaining counter.
searches_remaining += is_multiline ? 1 : 0;
int line_count = 0;
//for (const ImWchar* s = text_begin; (s = (const ImWchar*)wcschr((const wchar_t*)s, (wchar_t)'\n')) != NULL; s++) // FIXME-OPT: Could use this when wchar_t are 16-bit
for (const ImWchar* s = text_begin; *s != 0; s++)
if (*s == '\n')
{
line_count++;
if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; }
if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
}
for (const char* s = text_begin; (s = strchr(s, '\n')) != NULL; s++) // FIXME-OPT: memchr() would be faster?
{
line_count++;
if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; }
if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; }
}
line_count++;
if (searches_result_line_no[0] == -1)
searches_result_line_no[0] = line_count;
@ -5110,11 +5138,11 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
searches_result_line_no[1] = line_count;
// Calculate 2d position by finding the beginning of the line and measuring distance
cursor_offset.x = InputTextCalcTextSizeW(&g, ImStrbolW(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x;
cursor_offset.x = InputTextCalcTextSize(&g, ImStrbol(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x;
cursor_offset.y = searches_result_line_no[0] * g.FontSize;
if (searches_result_line_no[1] >= 0)
{
select_start_offset.x = InputTextCalcTextSizeW(&g, ImStrbolW(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x;
select_start_offset.x = InputTextCalcTextSize(&g, ImStrbol(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x;
select_start_offset.y = searches_result_line_no[1] * g.FontSize;
}
@ -5162,40 +5190,38 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
const ImVec2 draw_scroll = ImVec2(state->Scroll.x, 0.0f);
if (render_selection)
{
const ImWchar* text_selected_begin = text_begin + ImMin(state->Stb->select_start, state->Stb->select_end);
const ImWchar* text_selected_end = text_begin + ImMax(state->Stb->select_start, state->Stb->select_end);
const char* text_selected_begin = text_begin + ImMin(state->Stb->select_start, state->Stb->select_end);
const char* text_selected_end = text_begin + ImMax(state->Stb->select_start, state->Stb->select_end);
ImU32 bg_color = GetColorU32(ImGuiCol_TextSelectedBg, render_cursor ? 1.0f : 0.6f); // FIXME: current code flow mandate that render_cursor is always true here, we are leaving the transparent one for tests.
float bg_offy_up = is_multiline ? 0.0f : -1.0f; // FIXME: those offsets should be part of the style? they don't play so well with multi-line selection.
float bg_offy_dn = is_multiline ? 0.0f : 2.0f;
ImVec2 rect_pos = draw_pos + select_start_offset - draw_scroll;
for (const ImWchar* p = text_selected_begin; p < text_selected_end; )
for (const char* p = text_selected_begin; p < text_selected_end; )
{
if (rect_pos.y > clip_rect.w + g.FontSize)
break;
if (rect_pos.y < clip_rect.y)
{
//p = (const ImWchar*)wmemchr((const wchar_t*)p, '\n', text_selected_end - p); // FIXME-OPT: Could use this when wchar_t are 16-bit
//p = p ? p + 1 : text_selected_end;
while (p < text_selected_end)
if (*p++ == '\n')
break;
p = (const char*)memchr((void*)p, '\n', text_selected_end - p);
p = p ? p + 1 : text_selected_end;
}
else
{
ImVec2 rect_size = InputTextCalcTextSizeW(&g, p, text_selected_end, &p, NULL, true);
ImVec2 rect_size = InputTextCalcTextSize(&g, p, text_selected_end, &p, NULL, true);
if (rect_size.x <= 0.0f) rect_size.x = IM_TRUNC(g.Font->GetCharAdvance((ImWchar)' ') * 0.50f); // So we can see selected empty lines
ImRect rect(rect_pos + ImVec2(0.0f, bg_offy_up - g.FontSize), rect_pos + ImVec2(rect_size.x, bg_offy_dn));
rect.ClipWith(clip_rect);
if (rect.Overlaps(clip_rect))
draw_window->DrawList->AddRectFilled(rect.Min, rect.Max, bg_color);
rect_pos.x = draw_pos.x - draw_scroll.x;
}
rect_pos.x = draw_pos.x - draw_scroll.x;
rect_pos.y += g.FontSize;
}
}
// We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash.
// FIXME-OPT: Multiline could submit a smaller amount of contents to AddText() since we already iterated through it.
if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
{
ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
@ -5289,7 +5315,7 @@ void ImGui::DebugNodeInputTextState(ImGuiInputTextState* state)
ImStb::StbUndoState* undo_state = &stb_state->undostate;
Text("ID: 0x%08X, ActiveID: 0x%08X", state->ID, g.ActiveId);
DebugLocateItemOnHover(state->ID);
Text("CurLenW: %d, CurLenA: %d, Cursor: %d, Selection: %d..%d", state->CurLenW, state->CurLenA, stb_state->cursor, stb_state->select_start, stb_state->select_end);
Text("CurLenA: %d, Cursor: %d, Selection: %d..%d", state->CurLenA, stb_state->cursor, stb_state->select_start, stb_state->select_end);
Text("has_preferred_x: %d (%.2f)", stb_state->has_preferred_x, stb_state->preferred_x);
Text("undo_point: %d, redo_point: %d, undo_char_point: %d, redo_char_point: %d", undo_state->undo_point, undo_state->redo_point, undo_state->undo_char_point, undo_state->redo_char_point);
if (BeginChild("undopoints", ImVec2(0.0f, GetTextLineHeight() * 10), ImGuiChildFlags_Borders | ImGuiChildFlags_ResizeY)) // Visualize undo state
@ -5301,11 +5327,10 @@ void ImGui::DebugNodeInputTextState(ImGuiInputTextState* state)
const char undo_rec_type = (n < undo_state->undo_point) ? 'u' : (n >= undo_state->redo_point) ? 'r' : ' ';
if (undo_rec_type == ' ')
BeginDisabled();
char buf[64] = "";
if (undo_rec_type != ' ' && undo_rec->char_storage != -1)
ImTextStrToUtf8(buf, IM_ARRAYSIZE(buf), undo_state->undo_char + undo_rec->char_storage, undo_state->undo_char + undo_rec->char_storage + undo_rec->insert_length);
Text("%c [%02d] where %03d, insert %03d, delete %03d, char_storage %03d \"%s\"",
undo_rec_type, n, undo_rec->where, undo_rec->insert_length, undo_rec->delete_length, undo_rec->char_storage, buf);
const int buf_preview_len = (undo_rec_type != ' ' && undo_rec->char_storage != -1) ? undo_rec->insert_length : 0;
const char* buf_preview_str = undo_state->undo_char + undo_rec->char_storage;
Text("%c [%02d] where %03d, insert %03d, delete %03d, char_storage %03d \"%.*s\"",
undo_rec_type, n, undo_rec->where, undo_rec->insert_length, undo_rec->delete_length, undo_rec->char_storage, buf_preview_len, buf_preview_str);
if (undo_rec_type == ' ')
EndDisabled();
}
@ -7385,6 +7410,7 @@ static void DebugLogMultiSelectRequests(const char* function, const ImGuiMultiSe
static ImRect CalcScopeRect(ImGuiMultiSelectTempData* ms, ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
if (ms->Flags & ImGuiMultiSelectFlags_ScopeRect)
{
// Warning: this depends on CursorMaxPos so it means to be called by EndMultiSelect() only
@ -7392,8 +7418,12 @@ static ImRect CalcScopeRect(ImGuiMultiSelectTempData* ms, ImGuiWindow* window)
}
else
{
// Add inner table decoration (#7821) // FIXME: Why not baking in InnerClipRect?
// When a table, pull HostClipRect, which allows us to predict ClipRect before first row/layout is performed. (#7970)
ImRect scope_rect = window->InnerClipRect;
if (g.CurrentTable != NULL)
scope_rect = g.CurrentTable->HostClipRect;
// Add inner table decoration (#7821) // FIXME: Why not baking in InnerClipRect?
scope_rect.Min = ImMin(scope_rect.Min + ImVec2(window->DecoInnerSizeX1, window->DecoInnerSizeY1), scope_rect.Max);
return scope_rect;
}

95
imstb_textedit.h
View File

@ -4,6 +4,7 @@
// - Fix in stb_textedit_discard_redo (see https://github.com/nothings/stb/issues/321)
// - Fix in stb_textedit_find_charpos to handle last line (see https://github.com/ocornut/imgui/issues/6000 + #6783)
// - Added name to struct or it may be forward declared in our code.
// - Added UTF-8 support (see https://github.com/nothings/stb/issues/188 + https://github.com/ocornut/imgui/pull/7925)
// Grep for [DEAR IMGUI] to find the changes.
// - Also renamed macros used or defined outside of IMSTB_TEXTEDIT_IMPLEMENTATION block from STB_TEXTEDIT_* to IMSTB_TEXTEDIT_*
@ -210,6 +211,7 @@
// int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state)
// int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len)
// void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXEDIT_KEYTYPE key)
// void stb_textedit_text(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int text_len)
//
// Each of these functions potentially updates the string and updates the
// state.
@ -244,7 +246,12 @@
// various definitions like STB_TEXTEDIT_K_LEFT have the is-key-event bit
// set, and make STB_TEXTEDIT_KEYTOCHAR check that the is-key-event bit is
// clear. STB_TEXTEDIT_KEYTYPE defaults to int, but you can #define it to
// anything other type you wante before including.
// anything other type you want before including.
// if the STB_TEXTEDIT_KEYTOTEXT function is defined, selected keys are
// transformed into text and stb_textedit_text() is automatically called.
//
// text: [DEAR IMGUI] added 2024-09
// call this to text inputs sent to the textfield.
//
//
// When rendering, you can read the cursor position and selection state from
@ -439,13 +446,13 @@ static int stb_text_locate_coord(IMSTB_TEXTEDIT_STRING *str, float x, float y)
if (x < r.x1) {
// search characters in row for one that straddles 'x'
prev_x = r.x0;
for (k=0; k < r.num_chars; ++k) {
for (k=0; k < r.num_chars; k = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k) - i) {
float w = STB_TEXTEDIT_GETWIDTH(str, i, k);
if (x < prev_x+w) {
if (x < prev_x+w/2)
return k+i;
else
return k+i+1;
return IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, i + k);
}
prev_x += w;
}
@ -564,7 +571,7 @@ static void stb_textedit_find_charpos(StbFindState *find, IMSTB_TEXTEDIT_STRING
// now scan to find xpos
find->x = r.x0;
for (i=0; first+i < n; ++i)
for (i=0; first+i < n; i = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, first + i) - first)
find->x += STB_TEXTEDIT_GETWIDTH(str, first, i);
}
@ -641,6 +648,17 @@ static void stb_textedit_move_to_last(IMSTB_TEXTEDIT_STRING *str, STB_TexteditSt
}
}
// [DEAR IMGUI]
// Functions must be implemented for UTF8 support
// Code in this file that uses those functions is modified for [DEAR IMGUI] and deviates from the original stb_textedit.
// There is not necessarily a '[DEAR IMGUI]' at the usage sites.
#ifndef IMSTB_TEXTEDIT_GETPREVCHARINDEX
#define IMSTB_TEXTEDIT_GETPREVCHARINDEX(obj, idx) (idx - 1)
#endif
#ifndef IMSTB_TEXTEDIT_GETNEXTCHARINDEX
#define IMSTB_TEXTEDIT_GETNEXTCHARINDEX(obj, idx) (idx + 1)
#endif
#ifdef STB_TEXTEDIT_IS_SPACE
static int is_word_boundary( IMSTB_TEXTEDIT_STRING *str, int idx )
{
@ -721,36 +739,44 @@ static int stb_textedit_paste_internal(IMSTB_TEXTEDIT_STRING *str, STB_TexteditS
#define STB_TEXTEDIT_KEYTYPE int
#endif
// [DEAR IMGUI] Added stb_textedit_text(), extracted out and called by stb_textedit_key() for backward compatibility.
static void stb_textedit_text(IMSTB_TEXTEDIT_STRING* str, STB_TexteditState* state, const IMSTB_TEXTEDIT_CHARTYPE* text, int text_len)
{
// can't add newline in single-line mode
if (text[0] == '\n' && state->single_line)
return;
if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len)) {
state->cursor += text_len;
state->has_preferred_x = 0;
}
}
else {
stb_textedit_delete_selection(str, state); // implicitly clamps
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, text_len)) {
stb_text_makeundo_insert(state, state->cursor, text_len);
state->cursor += text_len;
state->has_preferred_x = 0;
}
}
}
// API key: process a keyboard input
static void stb_textedit_key(IMSTB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key)
{
retry:
switch (key) {
default: {
#ifdef STB_TEXTEDIT_KEYTOTEXT
int c = STB_TEXTEDIT_KEYTOTEXT(key);
if (c > 0) {
IMSTB_TEXTEDIT_CHARTYPE ch = (IMSTB_TEXTEDIT_CHARTYPE) c;
// can't add newline in single-line mode
if (c == '\n' && state->single_line)
break;
if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) {
stb_text_makeundo_replace(str, state, state->cursor, 1, 1);
STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1);
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
++state->cursor;
state->has_preferred_x = 0;
}
} else {
stb_textedit_delete_selection(str,state); // implicitly clamps
if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) {
stb_text_makeundo_insert(state, state->cursor, 1);
++state->cursor;
state->has_preferred_x = 0;
}
}
IMSTB_TEXTEDIT_CHARTYPE ch = (IMSTB_TEXTEDIT_CHARTYPE)c;
stb_textedit_text(str, state, &ch, 1);
}
#endif
break;
}
@ -776,7 +802,7 @@ retry:
stb_textedit_move_to_first(state);
else
if (state->cursor > 0)
--state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
state->has_preferred_x = 0;
break;
@ -785,7 +811,7 @@ retry:
if (STB_TEXT_HAS_SELECTION(state))
stb_textedit_move_to_last(str, state);
else
++state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
stb_textedit_clamp(str, state);
state->has_preferred_x = 0;
break;
@ -795,7 +821,7 @@ retry:
stb_textedit_prep_selection_at_cursor(state);
// move selection left
if (state->select_end > 0)
--state->select_end;
state->select_end = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->select_end);
state->cursor = state->select_end;
state->has_preferred_x = 0;
break;
@ -845,7 +871,7 @@ retry:
case STB_TEXTEDIT_K_RIGHT | STB_TEXTEDIT_K_SHIFT:
stb_textedit_prep_selection_at_cursor(state);
// move selection right
++state->select_end;
state->select_end = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->select_end);
stb_textedit_clamp(str, state);
state->cursor = state->select_end;
state->has_preferred_x = 0;
@ -901,7 +927,7 @@ retry:
x += dx;
if (x > goal_x)
break;
++state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
}
stb_textedit_clamp(str, state);
@ -963,7 +989,7 @@ retry:
x += dx;
if (x > goal_x)
break;
++state->cursor;
state->cursor = IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor);
}
stb_textedit_clamp(str, state);
@ -991,7 +1017,7 @@ retry:
else {
int n = STB_TEXTEDIT_STRINGLEN(str);
if (state->cursor < n)
stb_textedit_delete(str, state, state->cursor, 1);
stb_textedit_delete(str, state, state->cursor, IMSTB_TEXTEDIT_GETNEXTCHARINDEX(str, state->cursor) - state->cursor);
}
state->has_preferred_x = 0;
break;
@ -1003,8 +1029,9 @@ retry:
else {
stb_textedit_clamp(str, state);
if (state->cursor > 0) {
stb_textedit_delete(str, state, state->cursor-1, 1);
--state->cursor;
int prev = IMSTB_TEXTEDIT_GETPREVCHARINDEX(str, state->cursor);
stb_textedit_delete(str, state, prev, state->cursor - prev);
state->cursor = prev;
}
}
state->has_preferred_x = 0;