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/* wptTrayPop.cpp - Alternative status box |
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* Copyright (C) 2002, 2004 Timo Schulz |
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* Copyright (C) 2002 Prasenjeet Dutta. <http://www.chaoszone.org> |
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* |
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* This file is part of WinPT. |
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* |
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* WinPT is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* WinPT is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with WinPT; if not, write to the Free Software Foundation, |
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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*/ |
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|
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/* |
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* ChangeLog |
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* Maybe I didn't understand how to use the code, but the original code |
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* always produces a window near the taskbar icon. This is not very useful |
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* because we need it near the dialog. I also removed some code we don't use. |
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* -ts |
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*/ |
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|
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#include <windows.h> |
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|
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#include "wptW32API.h" |
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|
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#define PD_WINDOWNAME "ClsTrayPop" |
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#define PD_TIMER_IDENTIFIER 23 |
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#define PD_TIMER_TIMEOUT 1500 |
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|
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#define PD_TRAYPOP_WIDTH 200 |
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#define PD_TRAYPOP_HEIGHT 80 |
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|
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extern HINSTANCE glob_hinst; |
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extern HWND glob_hwnd; |
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|
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|
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static LPCTSTR |
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store_text( LPCTSTR alert_text ) |
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{ |
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static LPCTSTR text; |
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|
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if( alert_text ) |
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text = alert_text; |
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return text; |
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} /* store_text */ |
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|
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|
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static void |
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paint_alert (HDC *p_hdc, PAINTSTRUCT *p_ps) |
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{ |
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SetBkMode(*p_hdc, TRANSPARENT); |
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HFONT hFont = CreateFont( |
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13, // height of font (in css px-style) |
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0, // average character width |
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0, // angle of escapement |
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0, // base-line orientation angle |
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FW_DONTCARE, // font weight |
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FALSE, // italic attribute option |
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FALSE, // underline attribute option |
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FALSE, // strikeout attribute option |
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// TODO: future i18n problem, see docs |
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DEFAULT_CHARSET, // character set identifier |
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OUT_DEFAULT_PRECIS, // output precision |
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CLIP_DEFAULT_PRECIS, // clipping precision |
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DEFAULT_QUALITY, // output quality |
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FF_DONTCARE, // pitch and family |
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"Tahoma" // typeface name |
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); |
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|
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HFONT hOldFont = (HFONT) SelectObject(*p_hdc, hFont); |
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RECT recttext; |
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recttext.top = 0; |
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recttext.bottom = PD_TRAYPOP_HEIGHT - 2; |
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recttext.left = 10; |
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recttext.right = PD_TRAYPOP_WIDTH - 12; |
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|
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MoveToEx(*p_hdc, 0, 0, (LPPOINT) NULL); |
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LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, 0); |
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LineTo(*p_hdc, PD_TRAYPOP_WIDTH - 3, PD_TRAYPOP_HEIGHT - 3); |
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LineTo(*p_hdc, 0, PD_TRAYPOP_HEIGHT - 3); |
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LineTo(*p_hdc, 0, 0); |
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|
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UINT dtFormat = DT_END_ELLIPSIS | DT_NOPREFIX | DT_WORDBREAK; |
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|
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// determine text height |
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int text_height = DrawText( |
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*p_hdc, // handle to DC |
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store_text(NULL), // text to draw |
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-1, // text length // TODO: future i18n problem, see docs |
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&recttext, // formatting dimensions |
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dtFormat | DT_CENTER | DT_CALCRECT |
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); |
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|
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// vertically center text in the box |
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recttext.top = PD_TRAYPOP_HEIGHT/2 - text_height/2 - 5; |
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recttext.bottom = PD_TRAYPOP_HEIGHT/2 + text_height/2 + 5; |
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recttext.left = 10; |
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recttext.right = PD_TRAYPOP_WIDTH - 12; |
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|
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// change over to left-justified from centered, for longer lines |
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(text_height > 30)? (dtFormat |= DT_LEFT) : (dtFormat |= DT_CENTER); |
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|
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DrawText (*p_hdc, |
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store_text (NULL), |
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-1, // text length // TODO: future i18n problem, see docs |
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&recttext, // formatting dimensions |
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dtFormat); |
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|
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hFont = (HFONT) SelectObject(*p_hdc, hOldFont); |
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DeleteObject(hFont); |
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} /* paint_alert */ |
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|
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|
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static LRESULT CALLBACK |
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WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) |
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{ |
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PAINTSTRUCT ps; |
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HDC hdc; |
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|
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switch (msg) |
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{ |
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case WM_PAINT: |
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hdc = BeginPaint (hWnd, &ps); |
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paint_alert (&hdc, &ps); |
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EndPaint (hWnd, &ps); |
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break; |
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|
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case WM_LBUTTONUP: |
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KillTimer (hWnd, PD_TIMER_IDENTIFIER); |
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PostQuitMessage (1); |
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break; |
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|
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case WM_DESTROY: |
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KillTimer (hWnd, PD_TIMER_IDENTIFIER); |
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PostQuitMessage (1); |
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break; |
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|
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default: |
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return DefWindowProc (hWnd, msg, wParam, lParam); |
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} |
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|
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return 0; |
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} /* WndProc */ |
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|
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|
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static VOID CALLBACK |
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popup_timer_proc( HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime) |
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{ |
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DestroyWindow(hwnd); |
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} /* popup_timer_proc */ |
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|
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|
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static void |
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init_wclass (WNDCLASS *p_wclass, HINSTANCE hInst) |
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{ |
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p_wclass->style = CS_HREDRAW | CS_VREDRAW; |
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p_wclass->lpfnWndProc = WndProc; |
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p_wclass->cbClsExtra = 0; |
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p_wclass->cbWndExtra = 0; |
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p_wclass->hInstance = hInst; |
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p_wclass->hIcon = LoadIcon(hInst, IDI_APPLICATION); |
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p_wclass->hCursor = LoadCursor(NULL, IDC_ARROW); |
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p_wclass->hbrBackground = (HBRUSH) (COLOR_INFOBK + 1); |
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p_wclass->lpszMenuName = NULL; |
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p_wclass->lpszClassName = PD_WINDOWNAME; |
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} /* init_wclass */ |
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|
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|
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/* Show the given message in a pop-up window for millis miliseconds. */ |
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int |
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show_msg (HWND hParentWnd, int millis, LPCTSTR string) |
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{ |
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RECT parent; |
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int nWndWidth = PD_TRAYPOP_WIDTH; |
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int nWndHeight = PD_TRAYPOP_HEIGHT; |
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MSG msg; |
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HWND hWnd; |
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UINT_PTR timer; |
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WNDCLASS wClass; |
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|
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store_text (string); |
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GetWindowRect (hParentWnd, &parent); |
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|
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init_wclass (&wClass, glob_hinst); |
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RegisterClass (&wClass); |
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|
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hWnd = CreateWindowEx( |
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WS_EX_TOOLWINDOW | WS_EX_TOPMOST, // extended style |
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PD_WINDOWNAME, // class name |
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PD_WINDOWNAME, // window name |
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WS_POPUP, // window style |
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(parent.right + parent.left) / 2, (parent.bottom + parent.top) / 2, |
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nWndWidth - 2, nWndHeight - 2, // width and height, with corrections |
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NULL, // parent handle |
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NULL, // menu handle |
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glob_hinst, // instance handle |
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NULL // other parameters |
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); |
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|
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if (hWnd == NULL) |
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return 0; |
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else { |
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ShowWindow (hWnd, SW_SHOW); |
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UpdateWindow (hWnd); |
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// ensure parent never loses focus |
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EnableWindow (hParentWnd, TRUE); |
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center_window (hWnd, hParentWnd); |
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SetActiveWindow (NULL); |
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} |
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|
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timer = SetTimer (hWnd, // handle to window |
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PD_TIMER_IDENTIFIER, // timer identifier |
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millis, // time-out value |
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(TIMERPROC) popup_timer_proc // timer procedure |
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); |
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|
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while (GetMessage (&msg, NULL, 0, 0)) { |
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TranslateMessage (&msg); |
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DispatchMessage (&msg); |
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} |
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|
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return msg.wParam; |
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} |
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