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comparison gtk3/dw.c @ 1136:1a5b0908659b

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Initial implementation of the DynamicWindows Print object for GTK3.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Fri, 09 Sep 2011 00:28:25 +0000
parents ed7cbdc37a75
children e24e5a13ff2c
comparison
equal deleted inserted replaced
1135:6828a01ecf3c 1136:1a5b0908659b
10191 gtk_clipboard_set_text( clipboard_object, str, len ); 10191 gtk_clipboard_set_text( clipboard_object, str, len );
10192 } 10192 }
10193 DW_MUTEX_UNLOCK; 10193 DW_MUTEX_UNLOCK;
10194 } 10194 }
10195 10195
10196 /* 10196 /* Internal function to create the drawable pixmap and call the function */
10197 * Returns a pointer to a static buffer which containes the 10197 static void _dw_draw_page(GtkPrintOperation *operation, GtkPrintContext *context, int page_nr)
10198 {
10199 cairo_t *cr = gtk_print_context_get_cairo_context(context);
10200 void *drawdata = g_object_get_data(G_OBJECT(operation), "_dw_drawdata");
10201 int (*drawfunc)(HPRINT, HPIXMAP, int, void *) = g_object_get_data(G_OBJECT(operation), "_dw_drawfunc");
10202 int result = 0;
10203 HPIXMAP pixmap;
10204
10205 if(cr && drawfunc && (pixmap = calloc(1,sizeof(struct _hpixmap))))
10206 {
10207 pixmap->image = cairo_get_group_target(cr);
10208 pixmap->handle = (HWND)operation;
10209 pixmap->width = gtk_print_context_get_width(context);
10210 pixmap->height = gtk_print_context_get_height(context);
10211 result = drawfunc((HPRINT)operation, pixmap, page_nr, drawdata);
10212 if(result)
10213 gtk_print_operation_draw_page_finish(operation);
10214 free(pixmap);
10215 }
10216 }
10217
10218 /*
10219 * Creates a new print object.
10220 * Parameters:
10221 * flags: Flags to initially configure the print object.
10222 * pages: Number of pages to print.
10223 * drawfunc: The pointer to the function to be used as the callback.
10224 * drawdata: User data to be passed to the handler function.
10225 * Returns:
10226 * A handle to the print object.
10227 */
10228 HPRINT API dw_print_new(unsigned long flags, unsigned int pages, void *drawfunc, void *drawdata)
10229 {
10230 GtkPrintOperation *op;
10231 int _locked_by_me = FALSE;
10232
10233 if(!drawfunc)
10234 return NULL;
10235
10236 DW_MUTEX_LOCK;
10237 if((op = gtk_print_operation_new()))
10238 {
10239 gtk_print_operation_set_n_pages(op, pages);
10240 g_object_set_data(G_OBJECT(op), "_dw_drawfunc", drawfunc);
10241 g_object_set_data(G_OBJECT(op), "_dw_drawdata", drawdata);
10242 g_signal_connect(op, "draw_page", G_CALLBACK(_dw_draw_page), NULL);
10243 }
10244 DW_MUTEX_UNLOCK;
10245 return (HPRINT)op;
10246 }
10247
10248 /*
10249 * Runs the print job, causing the draw page callbacks to fire.
10250 * Parameters:
10251 * print: Handle to the print object returned by dw_print_new().
10252 * flags: Flags to run the print job.
10253 * Returns:
10254 * DW_ERROR_UNKNOWN on error or DW_ERROR_NONE on success.
10255 */
10256 int API dw_print_run(HPRINT print, unsigned long flags)
10257 {
10258 GtkPrintOperationResult res;
10259 GtkPrintOperation *op = (GtkPrintOperation *)print;
10260 int _locked_by_me = FALSE;
10261
10262 DW_MUTEX_LOCK;
10263 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, NULL, NULL);
10264 DW_MUTEX_UNLOCK;
10265 return (res == GTK_PRINT_OPERATION_RESULT_ERROR ? DW_ERROR_UNKNOWN : DW_ERROR_NONE);
10266 }
10267
10268 /*
10269 * Cancels the print job, typically called from a draw page callback.
10270 * Parameters:
10271 * print: Handle to the print object returned by dw_print_new().
10272 */
10273 void API dw_print_cancel(HPRINT print)
10274 {
10275 int _locked_by_me = FALSE;
10276 GtkPrintOperation *op = (GtkPrintOperation *)print;
10277
10278 DW_MUTEX_LOCK;
10279 gtk_print_operation_cancel(op);
10280 DW_MUTEX_UNLOCK;
10281 }
10282
10283 /*
10284 * Returns a pointer to a static buffer which contains the
10198 * current user directory. Or the root directory (C:\ on 10285 * current user directory. Or the root directory (C:\ on
10199 * OS/2 and Windows). 10286 * OS/2 and Windows).
10200 */ 10287 */
10201 char *dw_user_dir(void) 10288 char *dw_user_dir(void)
10202 { 10289 {