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(svn r25681) -Change: [Win32] Position the IME composition window at the caret position.

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michi_cc
2013-08-05 20:37:14 +00:00
parent 21126aec62
commit da09fd3077
7 changed files with 88 additions and 0 deletions
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28
src/misc_gui.cpp
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@@ -785,6 +785,34 @@ void QueryString::DrawEditBox(const Window *w, int wid) const
_cur_dpi = old_dpi;
}
/**
* Get the current caret position.
* @param w Window the edit box is in.
* @param wid Widget index.
* @return Top-left location of the caret, relative to the window.
*/
Point QueryString::GetCaretPosition(const Window *w, int wid) const
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
assert((wi->type & WWT_MASK) == WWT_EDITBOX);
bool rtl = _current_text_dir == TD_RTL;
Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
int left = wi->pos_x + (rtl ? clearbtn_width : 0);
int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
/* Clamp caret position to be inside out current width. */
const Textbuf *tb = &this->text;
int delta = min(0, (right - left) - tb->pixels - 10);
if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
Point pt = {left + WD_FRAMERECT_LEFT + tb->caretxoffs + delta, wi->pos_y + WD_FRAMERECT_TOP};
return pt;
}
void QueryString::ClickEditBox(Window *w, Point pt, int wid, int click_count, bool focus_changed)
{
const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);