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comparison win/dw.c @ 2852:5018df4f952e

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Win/Android/Template: Add return values to dw_window_set_bitmap(_from_data). Also update the readme regarding this change.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Tue, 15 Nov 2022 00:34:20 +0000
parents ee1cfa7d645e
children 761b7a12b079
comparison
equal deleted inserted replaced
2851:fdd21139c07f 2852:5018df4f952e
7691 (WPARAM) IMAGE_ICON, 7691 (WPARAM) IMAGE_ICON,
7692 (LPARAM) hicon); 7692 (LPARAM) hicon);
7693 } 7693 }
7694 7694
7695 /* Internal function to set bitmap for the next two functions */ 7695 /* Internal function to set bitmap for the next two functions */
7696 void _dw_window_set_bitmap(HWND handle, HICON icon, HBITMAP hbitmap) 7696 int _dw_window_set_bitmap(HWND handle, HICON icon, HBITMAP hbitmap)
7697 { 7697 {
7698 HBITMAP oldbitmap = 0; 7698 HBITMAP oldbitmap = 0;
7699 HANDLE oldicon = 0; 7699 HANDLE oldicon = 0;
7700 TCHAR tmpbuf[100] = {0}; 7700 TCHAR tmpbuf[100] = {0};
7701 7701
7702 if (!icon && !hbitmap) 7702 if (!icon && !hbitmap)
7703 return; 7703 return DW_ERROR_GENERAL;
7704 7704
7705 GetClassName(handle, tmpbuf, 99); 7705 GetClassName(handle, tmpbuf, 99);
7706 7706
7707 if(_tcsnicmp(tmpbuf, BUTTONCLASSNAME, _tcslen(BUTTONCLASSNAME)+1)==0) 7707 if(_tcsnicmp(tmpbuf, BUTTONCLASSNAME, _tcslen(BUTTONCLASSNAME)+1)==0)
7708 { 7708 {
7768 _dw_control_size(handle, item->origwidth == DW_SIZE_AUTO ? &item->width : NULL, item->origheight == DW_SIZE_AUTO ? &item->height : NULL); 7768 _dw_control_size(handle, item->origwidth == DW_SIZE_AUTO ? &item->width : NULL, item->origheight == DW_SIZE_AUTO ? &item->height : NULL);
7769 /* Queue a redraw on the top-level window */ 7769 /* Queue a redraw on the top-level window */
7770 _dw_redraw(_dw_toplevel_window(handle), TRUE); 7770 _dw_redraw(_dw_toplevel_window(handle), TRUE);
7771 } 7771 }
7772 } 7772 }
7773 return DW_ERROR_NONE;
7773 } 7774 }
7774 7775
7775 /* 7776 /*
7776 * Sets the bitmap used for a given static window. 7777 * Sets the bitmap used for a given static window.
7777 * Parameters: 7778 * Parameters:
7779 * id: An ID to be used to specify the icon, 7780 * id: An ID to be used to specify the icon,
7780 * (pass 0 if you use the filename param) 7781 * (pass 0 if you use the filename param)
7781 * filename: a path to a file (Bitmap on OS/2 or 7782 * filename: a path to a file (Bitmap on OS/2 or
7782 * Windows and a pixmap on Unix, pass 7783 * Windows and a pixmap on Unix, pass
7783 * NULL if you use the id param) 7784 * NULL if you use the id param)
7784 */ 7785 * Returns:
7785 void API dw_window_set_bitmap(HWND handle, unsigned long id, const char *filename) 7786 * DW_ERROR_NONE on success.
7787 * DW_ERROR_UNKNOWN if the parameters were invalid.
7788 * DW_ERROR_GENERAL if the bitmap was unable to be loaded.
7789 */
7790 int API dw_window_set_bitmap(HWND handle, unsigned long id, const char *filename)
7786 { 7791 {
7787 HBITMAP hbitmap = 0; 7792 HBITMAP hbitmap = 0;
7788 HANDLE icon = 0; 7793 HANDLE icon = 0;
7789 7794
7790 if(id) 7795 if(id)
7798 hbitmap = _dw_load_bitmap(filename, NULL); 7803 hbitmap = _dw_load_bitmap(filename, NULL);
7799 #else 7804 #else
7800 _dw_get_image_handle(filename, &icon, &hbitmap); 7805 _dw_get_image_handle(filename, &icon, &hbitmap);
7801 #endif 7806 #endif
7802 } 7807 }
7803 7808 else
7804 _dw_window_set_bitmap(handle, icon, hbitmap); 7809 return DW_ERROR_UNKNOWN;
7810
7811 return _dw_window_set_bitmap(handle, icon, hbitmap);
7805 } 7812 }
7806 7813
7807 /* 7814 /*
7808 * Sets the bitmap used for a given static window from data. 7815 * Sets the bitmap used for a given static window from data.
7809 * Parameters: 7816 * Parameters:
7812 * (pass 0 if you use the data param) 7819 * (pass 0 if you use the data param)
7813 * data: the image from meory 7820 * data: the image from meory
7814 * Bitmap on Windows and a pixmap on Unix, pass 7821 * Bitmap on Windows and a pixmap on Unix, pass
7815 * NULL if you use the id param) 7822 * NULL if you use the id param)
7816 * len: length of data 7823 * len: length of data
7817 */ 7824 * Returns:
7818 void API dw_window_set_bitmap_from_data(HWND handle, unsigned long id, const char *data, int len) 7825 * DW_ERROR_NONE on success.
7826 * DW_ERROR_UNKNOWN if the parameters were invalid.
7827 * DW_ERROR_GENERAL if the bitmap was unable to be loaded.
7828 */
7829 int API dw_window_set_bitmap_from_data(HWND handle, unsigned long id, const char *data, int len)
7819 { 7830 {
7820 HBITMAP hbitmap=0; 7831 HBITMAP hbitmap=0;
7821 HICON icon=0; 7832 HICON icon=0;
7822 char *file; 7833 char *file;
7823 FILE *fp; 7834 FILE *fp;
7843 } 7854 }
7844 else 7855 else
7845 { 7856 {
7846 _unlink( file ); 7857 _unlink( file );
7847 free( file ); 7858 free( file );
7848 return; 7859 return DW_ERROR_GENERAL;
7849 } 7860 }
7850 _unlink( file ); 7861 _unlink( file );
7851 free( file ); 7862 free( file );
7852 } 7863 }
7853 if (icon == 0 && hbitmap == 0) 7864 if (icon == 0 && hbitmap == 0)
7854 return; 7865 return DW_ERROR_GENERAL;
7855 } 7866 }
7856 else if ( id ) 7867 else if ( id )
7857 { 7868 {
7858 hbitmap = LoadBitmap(_DWInstance, MAKEINTRESOURCE(id)); 7869 hbitmap = LoadBitmap(_DWInstance, MAKEINTRESOURCE(id));
7859 icon = LoadImage(_DWInstance, MAKEINTRESOURCE(id), IMAGE_ICON, 0, 0, LR_SHARED); 7870 icon = LoadImage(_DWInstance, MAKEINTRESOURCE(id), IMAGE_ICON, 0, 0, LR_SHARED);
7860 } 7871 }
7861 7872 else
7862 _dw_window_set_bitmap(handle, icon, hbitmap); 7873 return DW_ERROR_UNKNOWN;
7874
7875 return _dw_window_set_bitmap(handle, icon, hbitmap);
7863 } 7876 }
7864 7877
7865 7878
7866 /* 7879 /*
7867 * Sets the text used for a given window. 7880 * Sets the text used for a given window.