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Merge 46fa733be887d62315709f161a2a51069152e8bc into a1af3c1a59fe81f7a1cac10dcead0a383b99f245

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ronak69 2026-11-05 11:45:40 +01:00 committed by GitHub
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2 changed files with 55 additions and 1 deletions
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2
imgui_internal.h
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@ -1349,6 +1349,8 @@ struct IMGUI_API ImGuiInputTextState
ImS8 LastMoveDirectionLR; // ImGuiDir_Left or ImGuiDir_Right. track last movement direction so when cursor cross over a word-wrapping boundaries we can display it on either line depending on last move.s
int ReloadSelectionStart;
int ReloadSelectionEnd;
int SelectionClicks; // double/triple-click word/line selection mode.
int SelectionOrigin; // char-index/cursor-position under the mouse click that started current selection.
ImGuiInputTextState();
~ImGuiInputTextState();

54
imgui_widgets.cpp
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@ -5104,6 +5104,9 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
const int multiclick_count = (io.MouseClickedCount[0] - 2);
if ((multiclick_count % 2) == 0)
{
state->SelectionClicks = 2;
state->SelectionOrigin = state->Stb->cursor;
// Double-click: Select word
// We always use the "Mac" word advance for double-click select vs Ctrl+Right which use the platform dependent variant:
// FIXME: There are likely many ways to improve this behavior, but there's no "right" behavior (depends on use-case, software, OS)
@ -5119,6 +5122,10 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
else
{
// No line-selection mode for single line, fallback to word selection
state->SelectionClicks = is_multiline ? 3 : 2;
state->SelectionOrigin = state->Stb->cursor;
// Triple-click: Select line
const bool is_eol = ImStb::STB_TEXTEDIT_GETCHAR(state, state->Stb->cursor) == '\n';
state->WrapWidth = 0.0f; // Temporarily disable wrapping so we use real line start.
@ -5148,12 +5155,57 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
else if (io.MouseDown[0] && !state->SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f))
{
stb_textedit_drag(state, state->Stb, mouse_x, mouse_y);
if (state->SelectionClicks >= 2)
{
// Double/Triple-click + drag incremental word/line selection
int origin = state->SelectionOrigin;
int drag = ImStb::stb_text_locate_coord(state, mouse_x, mouse_y);
const bool swap = drag < origin;
if (swap)
ImSwap(drag, origin);
if (state->SelectionClicks == 2)
{
const bool move_left = !ImStb::is_word_boundary_from_right(state, origin);
state->Stb->select_start = move_left ? ImStb::STB_TEXTEDIT_MOVEWORDLEFT_IMPL(state, origin) : origin;
const bool move_right = !ImStb::is_word_boundary_from_left(state, drag);
state->Stb->select_end = move_right ? ImStb::STB_TEXTEDIT_MOVEWORDRIGHT_MAC(state, drag) : drag;
}
else if (state->SelectionClicks == 3)
{
while (origin > 0 && ImStb::STB_TEXTEDIT_GETCHAR(state, origin - 1) != ImStb::STB_TEXTEDIT_NEWLINE)
--origin;
int length = ImStb::STB_TEXTEDIT_STRINGLEN(state);
while (drag < length && ImStb::STB_TEXTEDIT_GETCHAR(state, drag) != ImStb::STB_TEXTEDIT_NEWLINE)
++drag;
if (drag != length)
++drag;
state->Stb->select_start = origin;
state->Stb->select_end = drag;
}
if (swap)
ImSwap(state->Stb->select_start, state->Stb->select_end);
state->Stb->cursor = state->Stb->select_end;
}
else
{
stb_textedit_drag(state, state->Stb, mouse_x, mouse_y);
}
state->CursorAnimReset();
state->CursorFollow = true;
}
if (state->SelectedAllMouseLock && !io.MouseDown[0])
state->SelectedAllMouseLock = false;
// End ongoing multi-click selection on mouse-up or selection text replace
if (state->SelectionClicks >= 2 && !(io.MouseDown[0] && state->HasSelection()))
state->SelectionClicks = 0;
// We expect backends to emit a Tab key but some also emit a Tab character which we ignore (#2467, #1336)
// (For Tab and Enter: Win32/SFML/Allegro are sending both keys and chars, GLFW and SDL are only sending keys. For Space they all send all threes)