diff options
Diffstat (limited to 'miranda-wine/src/modules/utils/hyperlink.c')
| -rw-r--r-- | miranda-wine/src/modules/utils/hyperlink.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/miranda-wine/src/modules/utils/hyperlink.c b/miranda-wine/src/modules/utils/hyperlink.c new file mode 100644 index 0000000..affc1ff --- /dev/null +++ b/miranda-wine/src/modules/utils/hyperlink.c @@ -0,0 +1,183 @@ +/*
+
+Miranda IM: the free IM client for Microsoft* Windows*
+
+Copyright 2000-2006 Miranda ICQ/IM project,
+all portions of this codebase are copyrighted to the people
+listed in contributors.txt.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#include "commonheaders.h"
+
+static HCURSOR hHandCursor;
+
+struct HyperlinkWndData {
+ HFONT hFont;
+ HFONT hSetFont;
+ RECT rcText;
+ DWORD enableColor;
+ DWORD disableColor;
+};
+#define IM_MEASURETEXT (WM_USER+1)
+#define HLK_INVALIDATE (WM_USER+2)
+static LRESULT CALLBACK HyperlinkWndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
+{
+ struct HyperlinkWndData *dat;
+ dat=(struct HyperlinkWndData*)GetWindowLong(hwnd,0);
+ switch(message) {
+ case WM_CREATE:
+ dat=(struct HyperlinkWndData*)mir_alloc(sizeof(struct HyperlinkWndData));
+ SetWindowLong(hwnd,0,(LONG)dat);
+ dat->hFont=NULL;
+ dat->hSetFont=NULL;
+ dat->enableColor=GetSysColor(COLOR_HOTLIGHT);
+ if(dat->enableColor==0 && GetLastError()!=ERROR_SUCCESS) dat->enableColor=RGB(0,0,255);
+ dat->disableColor=GetSysColor(COLOR_GRAYTEXT);
+ SendMessage(hwnd,IM_MEASURETEXT,0,0);
+ break;
+ case WM_LBUTTONDOWN:
+ { POINT pt;
+ pt.x=(short)LOWORD(lParam); pt.y=(short)HIWORD(lParam);
+ if(PtInRect(&dat->rcText,pt))
+ SendMessage(GetParent(hwnd),WM_COMMAND,MAKEWPARAM(GetDlgCtrlID(hwnd),STN_CLICKED),(LPARAM)hwnd);
+ break;
+ }
+ case WM_SETFONT:
+ { LOGFONT lf;
+ dat->hSetFont=(HFONT)wParam;
+ GetObject(dat->hSetFont,sizeof(lf),&lf);
+ lf.lfUnderline=1;
+ dat->hFont=CreateFontIndirect(&lf);
+ if(LOWORD(lParam)) SendMessage(hwnd,HLK_INVALIDATE,0,0);
+ SendMessage(hwnd,IM_MEASURETEXT,0,0);
+ break;
+ }
+ case WM_ERASEBKGND: return(1); break;
+ case HLK_INVALIDATE: // invalidate
+ {
+ RECT rcWnd;
+ POINT pt;
+ GetWindowRect(hwnd,&rcWnd);
+ pt.x = rcWnd.left;
+ pt.y = rcWnd.top;
+ ScreenToClient(GetParent(hwnd),&pt);
+ rcWnd.right = pt.x + (rcWnd.right-rcWnd.left);
+ rcWnd.bottom = pt.y + (rcWnd.bottom-rcWnd.top);
+ rcWnd.left = pt.x;
+ rcWnd.top = pt.y;
+
+ InvalidateRect(GetParent(hwnd),&rcWnd,TRUE);
+ break;
+ }
+ case WM_GETFONT:
+ return (LRESULT)dat->hSetFont;
+ case IM_MEASURETEXT:
+ { char text[256];
+ GetWindowTextA(hwnd,text,SIZEOF(text));
+ lParam=(LPARAM)text;
+ //fall thru
+ case WM_SETTEXT:
+ { HFONT hoFont;
+ SIZE textSize;
+ RECT rc;
+
+ HDC hdc1=GetDC(hwnd);
+ if(dat->hFont!=NULL) hoFont=(HFONT)SelectObject(hdc1,dat->hFont);
+ GetTextExtentPoint32(hdc1,(const TCHAR*)lParam,lstrlen((const TCHAR*)lParam),&textSize);
+ dat->rcText.top=0; dat->rcText.bottom=dat->rcText.top+textSize.cy;
+ GetClientRect(hwnd,&rc);
+ if(GetWindowLong(hwnd,GWL_STYLE)&SS_CENTER) dat->rcText.left=(rc.right-textSize.cx)/2;
+ else if(GetWindowLong(hwnd,GWL_STYLE)&SS_RIGHT) dat->rcText.left=rc.right-textSize.cx;
+ else dat->rcText.left=0;
+ dat->rcText.right=dat->rcText.left+textSize.cx;
+ if(dat->hFont!=NULL) SelectObject(hdc1,hoFont);
+ ReleaseDC(hwnd,hdc1);
+ SendMessage(hwnd,HLK_INVALIDATE,0,0);
+ break;
+ }}
+ case WM_SETCURSOR:
+ { POINT pt;
+ GetCursorPos(&pt);
+ ScreenToClient(hwnd,&pt);
+ if(PtInRect(&dat->rcText,pt)) SetCursor(hHandCursor);
+ else SetCursor(LoadCursor(NULL,IDC_ARROW));
+ return TRUE;
+ }
+ case HLK_SETENABLECOLOUR:
+ if ((DWORD)wParam) dat->enableColor = (DWORD)wParam;
+ break;
+ case HLK_SETDISABLECOLOUR:
+ if ((DWORD)wParam) dat->disableColor = (DWORD)wParam;
+ break;
+ case WM_NCPAINT:
+ case WM_PAINT:
+ {
+ HFONT hoFont;
+ RECT rc;
+ TCHAR text[256];
+ int alignFlag;
+ DWORD textColour;
+
+ PAINTSTRUCT ps;
+ HDC hdc1=BeginPaint(hwnd,&ps);
+ if(IsWindowEnabled(hwnd)) {
+ hoFont=(HFONT)SelectObject(hdc1,dat->hFont);
+ textColour=dat->enableColor;
+ }
+ else {
+ hoFont=(HFONT)SelectObject(hdc1,dat->hSetFont);
+ textColour=dat->disableColor;
+ }
+ SetTextColor(hdc1,textColour);
+ SetBkMode(hdc1,TRANSPARENT);
+ if(GetWindowLong(hwnd,GWL_STYLE)&SS_CENTER) alignFlag=DT_CENTER;
+ else if(GetWindowLong(hwnd,GWL_STYLE)&SS_RIGHT) alignFlag=DT_RIGHT;
+ else alignFlag=DT_LEFT;
+ GetClientRect(hwnd,&rc);
+ GetWindowText(hwnd,text,SIZEOF(text));
+ DrawText(hdc1,text,-1,&rc,alignFlag|DT_NOPREFIX|DT_SINGLELINE|DT_TOP);
+ SelectObject(hdc1,hoFont);
+ EndPaint(hwnd,&ps);
+ break;
+ }
+ case WM_DESTROY:
+ if(dat->hFont!=NULL) DeleteObject(dat->hFont);
+ mir_free(dat); dat=NULL;
+ SetWindowLong(hwnd,0,(LONG)dat);
+ break;
+ }
+ return DefWindowProc(hwnd,message,wParam,lParam);
+}
+
+int InitHyperlink(void)
+{
+ WNDCLASS wcl;
+
+ if(IsWinVer2000Plus()) hHandCursor=LoadCursor(NULL,IDC_HAND);
+ else hHandCursor=LoadCursor(GetModuleHandle(NULL),MAKEINTRESOURCE(IDC_HYPERLINKHAND));
+ wcl.lpfnWndProc=HyperlinkWndProc;
+ wcl.cbClsExtra=0;
+ wcl.cbWndExtra=sizeof(void*);
+ wcl.hInstance=GetModuleHandle(NULL);
+ wcl.hCursor=NULL;
+ wcl.lpszClassName=WNDCLASS_HYPERLINK;
+ wcl.hbrBackground=NULL;
+ wcl.hIcon=NULL;
+ wcl.lpszMenuName=NULL;
+ wcl.style=CS_HREDRAW|CS_VREDRAW|CS_GLOBALCLASS|CS_PARENTDC;
+ RegisterClass(&wcl);
+ return 0;
+}
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