mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r25691) -Add: [OSX] Support for mouse selection in the IME composition string.
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e2ec0ddb03
commit
30867c487f
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@ -351,12 +351,21 @@ struct IConsoleWindow : Window
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int delta = min(this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH, 0);
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Point p1 = GetCharPosInString(_iconsole_cmdline.buf, from, FS_NORMAL);
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Point p2 = from != to ? GetCharPosInString(_iconsole_cmdline.buf, from, FS_NORMAL) : p1;
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Point p2 = from != to ? GetCharPosInString(_iconsole_cmdline.buf, from) : p1;
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Rect r = {this->line_offset + delta + p1.x, this->height - this->line_height, this->line_offset + delta + p2.x, this->height};
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return r;
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}
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virtual const char *GetTextCharacterAtPosition(const Point &pt) const
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{
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int delta = min(this->width - this->line_offset - _iconsole_cmdline.pixels - ICON_RIGHT_BORDERWIDTH, 0);
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if (!IsInsideMM(pt.y, this->height - this->line_height, this->height)) return NULL;
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return GetCharAtPosition(_iconsole_cmdline.buf, pt.x - delta);
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}
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virtual void OnMouseWheel(int wheel)
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{
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this->Scroll(-wheel);
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15
src/gfx.cpp
15
src/gfx.cpp
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@ -721,6 +721,21 @@ Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsiz
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return layout.GetCharPosition(ch);
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}
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/**
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* Get the character from a string that is drawn at a specific position.
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* @param str String to test.
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* @param x Position relative to the start of the string.
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* @param start_fontsize Font size to start the text with.
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* @return Pointer to the character at the position or NULL if there is no character at the position.
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*/
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const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize)
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{
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if (x < 0) return NULL;
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Layouter layout(str, INT32_MAX, TC_FROMSTRING, start_fontsize);
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return layout.GetCharAtPosition(x);
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}
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/**
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* Draw single character horizontally centered around (x,y)
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* @param c Character (glyph) to draw
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@ -129,6 +129,7 @@ Dimension GetStringMultiLineBoundingBox(StringID str, const Dimension &suggestio
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Dimension GetStringMultiLineBoundingBox(const char *str, const Dimension &suggestion);
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void LoadStringWidthTable(bool monospace = false);
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Point GetCharPosInString(const char *str, const char *ch, FontSize start_fontsize = FS_NORMAL);
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const char *GetCharAtPosition(const char *str, int x, FontSize start_fontsize = FS_NORMAL);
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void DrawDirtyBlocks();
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void SetDirtyBlocks(int left, int top, int right, int bottom);
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@ -565,6 +565,50 @@ Point Layouter::GetCharPosition(const char *ch) const
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return p;
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}
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/**
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* Get the character that is at a position.
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* @param x Position in the string.
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* @return Pointer to the character at the position or NULL if no character is at the position.
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*/
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const char *Layouter::GetCharAtPosition(int x) const
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{
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const ParagraphLayout::Line *line = *this->Begin();;
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for (int run_index = 0; run_index < line->countRuns(); run_index++) {
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const ParagraphLayout::VisualRun *run = line->getVisualRun(run_index);
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for (int i = 0; i < run->getGlyphCount(); i++) {
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/* Not a valid glyph (empty). */
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if (run->getGlyphs()[i] == 0xFFFF) continue;
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int begin_x = run->getPositions()[i * 2];
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int end_x = run->getPositions()[i * 2 + 2];
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if (IsInsideMM(x, begin_x, end_x)) {
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/* Found our glyph, now convert to UTF-8 string index. */
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size_t index = run->getGlyphToCharMap()[i];
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size_t cur_idx = 0;
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for (const char *str = this->string; *str != '\0'; ) {
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if (cur_idx == index) return str;
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WChar c;
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size_t len = Utf8Decode(&c, str);
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#ifdef WITH_ICU
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/* ICU uses UTF-16 internally which means we need to account for surrogate pairs. */
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cur_idx += len < 4 ? 1 : 2;
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#else
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cur_idx++;
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#endif
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str += len;
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}
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}
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}
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}
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return NULL;
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}
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/**
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* Get a static font instance.
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*/
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@ -212,6 +212,7 @@ public:
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Layouter(const char *str, int maxw = INT32_MAX, TextColour colour = TC_FROMSTRING, FontSize fontsize = FS_NORMAL);
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Dimension GetBounds();
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Point GetCharPosition(const char *ch) const;
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const char *GetCharAtPosition(int x) const;
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static void ResetFontCache(FontSize size);
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static void ResetLineCache();
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@ -854,6 +854,39 @@ Rect QueryString::GetBoundingRect(const Window *w, int wid, const char *from, co
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return r;
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}
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/**
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* Get the character that is rendered at a position.
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* @param w Window the edit box is in.
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* @param wid Widget index.
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* @param pt Position to test.
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* @return Pointer to the character at the position or NULL if no character is at the position.
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*/
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const char *QueryString::GetCharAtPosition(const Window *w, int wid, const Point &pt) const
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{
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const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
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assert((wi->type & WWT_MASK) == WWT_EDITBOX);
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bool rtl = _current_text_dir == TD_RTL;
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Dimension sprite_size = GetSpriteSize(rtl ? SPR_IMG_DELETE_RIGHT : SPR_IMG_DELETE_LEFT);
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int clearbtn_width = sprite_size.width + WD_IMGBTN_LEFT + WD_IMGBTN_RIGHT;
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int left = wi->pos_x + (rtl ? clearbtn_width : 0);
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int right = wi->pos_x + (rtl ? wi->current_x : wi->current_x - clearbtn_width) - 1;
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int top = wi->pos_y + WD_FRAMERECT_TOP;
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int bottom = wi->pos_y + wi->current_y - 1 - WD_FRAMERECT_BOTTOM;
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if (!IsInsideMM(pt.y, top, bottom)) return NULL;
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/* Clamp caret position to be inside our current width. */
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const Textbuf *tb = &this->text;
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int delta = min(0, (right - left) - tb->pixels - 10);
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if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
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return ::GetCharAtPosition(tb->buf, pt.x - delta - left);
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}
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void QueryString::ClickEditBox(Window *w, Point pt, int wid, int click_count, bool focus_changed)
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{
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const NWidgetLeaf *wi = w->GetWidget<NWidgetLeaf>(wid);
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@ -56,6 +56,7 @@ public:
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Point GetCaretPosition(const Window *w, int wid) const;
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Rect GetBoundingRect(const Window *w, int wid, const char *from, const char *to) const;
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const char *GetCharAtPosition(const Window *w, int wid, const Point &pt) const;
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/**
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* Get the current text.
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@ -909,7 +909,16 @@ static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
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/** Get the character that is rendered at the given point. */
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- (NSUInteger)characterIndexForPoint:(NSPoint)thePoint
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{
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return NSNotFound;
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if (!EditBoxInGlobalFocus()) return NSNotFound;
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NSPoint view_pt = [ self convertPoint:[ [ self window ] convertScreenToBase:thePoint ] fromView:nil ];
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Point pt = { view_pt.x, [ self frame ].size.height - view_pt.y };
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const char *ch = _focused_window->GetTextCharacterAtPosition(pt);
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if (ch == NULL) return NSNotFound;
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return CountUtf16Units(_focused_window->GetFocusedText(), ch);
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}
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/** Get the bounding rect for the given range. */
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@ -393,6 +393,19 @@ QueryString *Window::GetQueryString(uint widnum)
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return r;
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}
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/**
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* Get the character that is rendered at a position by the focused edit box.
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* @param pt The position to test.
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* @return Pointer to the character at the position or NULL if no character is at the position.
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*/
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/* virtual */ const char *Window::GetTextCharacterAtPosition(const Point &pt) const
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{
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if (this->nested_focus != NULL && this->nested_focus->type == WWT_EDITBOX) {
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return this->GetQueryString(this->nested_focus->index)->GetCharAtPosition(this, this->nested_focus->index, pt);
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}
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return NULL;
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}
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/**
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* Set the window that has the focus
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@ -350,6 +350,7 @@ public:
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virtual const char *GetMarkedText(size_t *length) const;
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virtual Point GetCaretPosition() const;
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virtual Rect GetTextBoundingRect(const char *from, const char *to) const;
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virtual const char *GetTextCharacterAtPosition(const Point &pt) const;
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void InitNested(WindowNumber number = 0);
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void CreateNestedTree(bool fill_nested = true);
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