configure: Changes from running autconf after previous patch.
[wine/hacks.git] / dlls / comctl32 / theme_combo.c
bloba6c6f8784abbcbb335d4df4ee2cf2f7f6c302707
1 /*
2 * Theming - Combo box control
4 * Copyright (c) 2005 by Frank Richter
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include <stdarg.h>
23 #include <string.h>
24 #include <stdlib.h>
26 #include "windef.h"
27 #include "winbase.h"
28 #include "wingdi.h"
29 #include "winuser.h"
30 #include "uxtheme.h"
31 #include "tmschema.h"
32 #include "comctl32.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(themingcombo);
37 /* Subclass-private state flags */
38 #define STATE_NOREDRAW 1
39 #define STATE_HOT 2
41 /* some constants for metrics, same as in user32 */
42 #define COMBO_XBORDERSIZE 2
43 #define COMBO_YBORDERSIZE 2
44 #define COMBO_EDITBUTTONSPACE 0
45 #define EDIT_CONTROL_PADDING 1
47 /* paint text of combobox, needed for read-only drop downs. */
48 static void paint_text (HWND hwnd, HDC hdc, DWORD dwStyle, const COMBOBOXINFO *cbi)
50 INT id, size = 0;
51 LPWSTR pText = NULL;
52 UINT itemState = ODS_COMBOBOXEDIT;
53 HFONT font = (HFONT)SendMessageW (hwnd, WM_GETFONT, 0, 0);
54 HFONT hPrevFont = (font) ? SelectObject(hdc, font) : 0;
55 RECT rectEdit;
56 BOOL focused = GetFocus () == hwnd;
57 BOOL dropped = cbi->stateButton == STATE_SYSTEM_PRESSED;
59 TRACE("\n");
61 /* follow Windows combobox that sends a bunch of text
62 * inquiries to its listbox while processing WM_PAINT. */
64 if( (id = SendMessageW (cbi->hwndList, LB_GETCURSEL, 0, 0) ) != LB_ERR )
66 size = SendMessageW (cbi->hwndList, LB_GETTEXTLEN, id, 0);
67 if (size == LB_ERR)
68 FIXME("LB_ERR probably not handled yet\n");
69 if( (pText = HeapAlloc( GetProcessHeap(), 0, (size + 1) * sizeof(WCHAR))) )
71 /* size from LB_GETTEXTLEN may be too large, from LB_GETTEXT is accurate */
72 size = SendMessageW (cbi->hwndList, LB_GETTEXT, id, (LPARAM)pText);
73 pText[size] = '\0'; /* just in case */
74 } else return;
76 else
77 if( !(dwStyle & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE)) )
78 return;
81 * Give ourselves some space.
83 CopyRect (&rectEdit, &cbi->rcItem);
84 InflateRect( &rectEdit, -1, -1 );
86 if(dwStyle & (CBS_OWNERDRAWFIXED | CBS_OWNERDRAWVARIABLE))
88 DRAWITEMSTRUCT dis;
89 HRGN clipRegion;
90 UINT ctlid = (UINT)GetWindowLongPtrW( hwnd, GWLP_ID );
92 /* setup state for DRAWITEM message. Owner will highlight */
93 if ( focused && !dropped )
94 itemState |= ODS_SELECTED | ODS_FOCUS;
97 * Save the current clip region.
98 * To retrieve the clip region, we need to create one "dummy"
99 * clip region.
101 clipRegion = CreateRectRgnIndirect(&rectEdit);
103 if (GetClipRgn(hdc, clipRegion)!=1)
105 DeleteObject(clipRegion);
106 clipRegion=NULL;
109 if (!IsWindowEnabled(hwnd)) itemState |= ODS_DISABLED;
111 dis.CtlType = ODT_COMBOBOX;
112 dis.CtlID = ctlid;
113 dis.hwndItem = hwnd;
114 dis.itemAction = ODA_DRAWENTIRE;
115 dis.itemID = id;
116 dis.itemState = itemState;
117 dis.hDC = hdc;
118 dis.rcItem = rectEdit;
119 dis.itemData = SendMessageW(cbi->hwndList, LB_GETITEMDATA, id, 0);
122 * Clip the DC and have the parent draw the item.
124 IntersectClipRect(hdc,
125 rectEdit.left, rectEdit.top,
126 rectEdit.right, rectEdit.bottom);
128 SendMessageW(GetParent (hwnd), WM_DRAWITEM, ctlid, (LPARAM)&dis );
131 * Reset the clipping region.
133 SelectClipRgn(hdc, clipRegion);
135 else
137 static const WCHAR empty_stringW[] = { 0 };
139 if ( focused && !dropped ) {
141 /* highlight */
142 FillRect( hdc, &rectEdit, GetSysColorBrush(COLOR_HIGHLIGHT) );
143 SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
144 SetTextColor( hdc, GetSysColor( COLOR_HIGHLIGHTTEXT ) );
147 ExtTextOutW( hdc,
148 rectEdit.left + 1,
149 rectEdit.top + 1,
150 ETO_OPAQUE | ETO_CLIPPED,
151 &rectEdit,
152 pText ? pText : empty_stringW , size, NULL );
154 if ( focused && !dropped )
155 DrawFocusRect( hdc, &rectEdit );
158 if( hPrevFont )
159 SelectObject(hdc, hPrevFont );
161 HeapFree( GetProcessHeap(), 0, pText );
164 /* paint the combobox */
165 static LRESULT paint (HTHEME theme, HWND hwnd, HDC hParamDC, ULONG state)
167 PAINTSTRUCT ps;
168 HDC hDC;
169 COMBOBOXINFO cbi;
170 DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
172 hDC = (hParamDC) ? hParamDC
173 : BeginPaint( hwnd, &ps);
175 TRACE("hdc=%p\n", hDC);
177 if( hDC && !(state & STATE_NOREDRAW) )
179 RECT frameRect;
180 int buttonState;
182 cbi.cbSize = sizeof (cbi);
183 SendMessageW (hwnd, CB_GETCOMBOBOXINFO, 0, (LPARAM)&cbi);
185 /* paint border */
186 if ((dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE)
187 GetClientRect (hwnd, &frameRect);
188 else
190 CopyRect (&frameRect, &cbi.rcItem);
192 InflateRect(&frameRect,
193 EDIT_CONTROL_PADDING + COMBO_XBORDERSIZE,
194 EDIT_CONTROL_PADDING + COMBO_YBORDERSIZE);
197 DrawThemeBackground (theme, hDC, 0,
198 IsWindowEnabled (hwnd) ? CBXS_NORMAL : CBXS_DISABLED, &frameRect, NULL);
200 /* paint button */
201 if (cbi.stateButton != STATE_SYSTEM_INVISIBLE)
203 if (!IsWindowEnabled (hwnd))
204 buttonState = CBXS_DISABLED;
205 else if (cbi.stateButton == STATE_SYSTEM_PRESSED)
206 buttonState = CBXS_PRESSED;
207 else if (state & STATE_HOT)
208 buttonState = CBXS_HOT;
209 else
210 buttonState = CBXS_NORMAL;
211 DrawThemeBackground (theme, hDC, CP_DROPDOWNBUTTON, buttonState,
212 &cbi.rcButton, NULL);
215 /* paint text, if we need to */
216 if ((dwStyle & CBS_DROPDOWNLIST) == CBS_DROPDOWNLIST)
217 paint_text (hwnd, hDC, dwStyle, &cbi);
220 if( !hParamDC )
221 EndPaint(hwnd, &ps);
223 return 0;
227 /**********************************************************************
228 * The combo control subclass window proc.
230 LRESULT CALLBACK THEMING_ComboSubclassProc (HWND hwnd, UINT msg,
231 WPARAM wParam, LPARAM lParam,
232 ULONG_PTR dwRefData)
234 const WCHAR* themeClass = WC_COMBOBOXW;
235 HTHEME theme;
236 LRESULT result;
238 switch (msg)
240 case WM_CREATE:
241 result = THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
242 OpenThemeData( hwnd, themeClass );
243 return result;
245 case WM_DESTROY:
246 theme = GetWindowTheme( hwnd );
247 CloseThemeData ( theme );
248 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
250 case WM_THEMECHANGED:
251 theme = GetWindowTheme( hwnd );
252 CloseThemeData ( theme );
253 OpenThemeData( hwnd, themeClass );
254 break;
256 case WM_SYSCOLORCHANGE:
257 theme = GetWindowTheme( hwnd );
258 if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
259 /* Do nothing. When themed, a WM_THEMECHANGED will be received, too,
260 * which will do the repaint. */
261 break;
263 case WM_PAINT:
264 theme = GetWindowTheme( hwnd );
265 if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
266 return paint (theme, hwnd, (HDC)wParam, dwRefData);
268 case WM_SETREDRAW:
269 /* Since there doesn't seem to be WM_GETREDRAW, do redraw tracking in
270 * the subclass as well. */
271 if( wParam )
272 dwRefData &= ~STATE_NOREDRAW;
273 else
274 dwRefData |= STATE_NOREDRAW;
275 THEMING_SetSubclassData (hwnd, dwRefData);
276 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
278 case WM_MOUSEMOVE:
280 /* Dropdown button hot-tracking */
281 COMBOBOXINFO cbi;
282 POINT pt;
284 pt.x = (short)LOWORD(lParam);
285 pt.y = (short)HIWORD(lParam);
286 cbi.cbSize = sizeof (cbi);
287 SendMessageW (hwnd, CB_GETCOMBOBOXINFO, 0, (LPARAM)&cbi);
289 if (cbi.stateButton != STATE_SYSTEM_INVISIBLE)
291 if (PtInRect (&cbi.rcButton, pt))
293 if (!(dwRefData & STATE_HOT))
295 dwRefData |= STATE_HOT;
296 THEMING_SetSubclassData (hwnd, dwRefData);
297 RedrawWindow (hwnd, &cbi.rcButton, 0,
298 RDW_INVALIDATE | RDW_UPDATENOW);
301 else
303 if (dwRefData & STATE_HOT)
305 dwRefData &= ~STATE_HOT;
306 THEMING_SetSubclassData (hwnd, dwRefData);
307 RedrawWindow (hwnd, &cbi.rcButton, 0,
308 RDW_INVALIDATE | RDW_UPDATENOW);
313 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
315 default:
316 /* Call old proc */
317 return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
319 return 0;