Mercurial > dwindows

comparison dwtest.c @ 1230:75a773cdb626

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixes to dw_font_text_extents_get() on Mac so it honors the font set with dw_pixmap_set_font(). Also added multi-page printing code to the test program to make sure that works properly on all platforms. It will print the selected file on page 2, or a centered error message if none is selected.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sun, 16 Oct 2011 19:12:53 +0000
parents b54d37938d61
children 8e37ebb3fab7
comparison
equal deleted inserted replaced
1229:437b045a3b07 1230:75a773cdb626
305 dw_scrollbar_set_range(vscrollbar, num_lines, rows); 305 dw_scrollbar_set_range(vscrollbar, num_lines, rows);
306 dw_scrollbar_set_pos(vscrollbar, 0); 306 dw_scrollbar_set_pos(vscrollbar, 0);
307 } 307 }
308 } 308 }
309 309
310 void draw_file( int row, int col ) 310 /* When hpma is not NULL we are printing.. so handle things differently */
311 { 311 void draw_file( int row, int col, int nrows, int fheight, HPIXMAP hpma )
312 {
313 HPIXMAP hpm = hpma ? hpma : text2pm;
312 char buf[10]; 314 char buf[10];
313 int i,y,fileline; 315 int i,y,fileline;
314 char *pLine; 316 char *pLine;
315 317
316 if ( current_file ) 318 if ( current_file )
317 { 319 {
318 dw_color_foreground_set(DW_CLR_WHITE); 320 dw_color_foreground_set(DW_CLR_WHITE);
319 dw_draw_rect(0, text1pm, TRUE, 0, 0, (int)DW_PIXMAP_WIDTH(text1pm), (int)DW_PIXMAP_HEIGHT(text1pm)); 321 if(!hpma)
320 dw_draw_rect(0, text2pm, TRUE, 0, 0, (int)DW_PIXMAP_WIDTH(text2pm), (int)DW_PIXMAP_HEIGHT(text2pm)); 322 dw_draw_rect(0, text1pm, TRUE, 0, 0, (int)DW_PIXMAP_WIDTH(text1pm), (int)DW_PIXMAP_HEIGHT(text1pm));
321 323 dw_draw_rect(0, hpm, TRUE, 0, 0, (int)DW_PIXMAP_WIDTH(hpm), (int)DW_PIXMAP_HEIGHT(hpm));
322 for ( i = 0;(i < rows) && (i+row < num_lines); i++) 324
325 for ( i = 0;(i < nrows) && (i+row < num_lines); i++)
323 { 326 {
324 fileline = i + row - 1; 327 fileline = i + row - 1;
325 y = i*font_height; 328 y = i*fheight;
326 dw_color_background_set( 1 + (fileline % 15) ); 329 dw_color_background_set( 1 + (fileline % 15) );
327 dw_color_foreground_set( fileline < 0 ? DW_CLR_WHITE : fileline % 16 ); 330 dw_color_foreground_set( fileline < 0 ? DW_CLR_WHITE : fileline % 16 );
328 sprintf( buf, "%6.6d", i+row ); 331 if(!hpma)
329 dw_draw_text( 0, text1pm, 0, y, buf); 332 {
333 sprintf( buf, "%6.6d", i+row );
334 dw_draw_text( 0, text1pm, 0, y, buf);
335 }
330 pLine = lp[i+row]; 336 pLine = lp[i+row];
331 dw_draw_text( 0, text2pm, 0, y, pLine+col ); 337 dw_draw_text( 0, hpm, 0, y, pLine+col );
332 } 338 }
333 text_expose( textbox1, NULL, NULL); 339 if(!hpma)
334 text_expose( textbox2, NULL, NULL); 340 {
335 } 341 text_expose( textbox1, NULL, NULL);
336 } 342 text_expose( textbox2, NULL, NULL);
337 343 }
344 }
345 }
346
347 /* When hpma is not NULL we are printing.. so handle things differently */
338 void draw_shapes(int direct, HPIXMAP hpma) 348 void draw_shapes(int direct, HPIXMAP hpma)
339 { 349 {
340 HPIXMAP hpm = hpma ? hpma : text2pm; 350 HPIXMAP hpm = hpma ? hpma : text2pm;
341 int width = (int)DW_PIXMAP_WIDTH(hpm), height = (int)DW_PIXMAP_HEIGHT(hpm); 351 int width = (int)DW_PIXMAP_WIDTH(hpm), height = (int)DW_PIXMAP_HEIGHT(hpm);
342 HPIXMAP pixmap = direct ? NULL : hpm; 352 HPIXMAP pixmap = direct ? NULL : hpm;
373 break; 383 break;
374 case 1: 384 case 1:
375 draw_shapes(TRUE, NULL); 385 draw_shapes(TRUE, NULL);
376 break; 386 break;
377 case 2: 387 case 2:
378 draw_file(current_row, current_col); 388 draw_file(current_row, current_col, rows, font_height, NULL);
379 break; 389 break;
380 } 390 }
381 } 391 }
382 392
383 int DWSIGNAL draw_page(HPRINT print, HPIXMAP pixmap, int page_num, void *data) 393 int DWSIGNAL draw_page(HPRINT print, HPIXMAP pixmap, int page_num, void *data)
384 { 394 {
385 dw_pixmap_set_font(pixmap, FIXEDFONT); 395 dw_pixmap_set_font(pixmap, FIXEDFONT);
386 draw_shapes(FALSE, pixmap); 396 if(page_num == 0)
397 {
398 draw_shapes(FALSE, pixmap);
399 }
400 else if(page_num == 1)
401 {
402 /* Get the font size for this printer context... */
403 int fheight, fwidth;
404
405 /* If we have a file to display... */
406 if(current_file)
407 {
408 int nrows;
409
410 /* Calculate new dimensions */
411 dw_font_text_extents_get(NULL, pixmap, "(g", NULL, &fheight);
412 nrows = (int)(DW_PIXMAP_HEIGHT(pixmap) / fheight);
413
414 /* Do the actual drawing */
415 draw_file(0, 0, nrows, fheight, pixmap);
416 }
417 else
418 {
419 /* We don't have a file so center an error message on the page */
420 char *text = "No file currently selected!";
421 int posx, posy;
422
423 dw_font_text_extents_get(NULL, pixmap, text, &fwidth, &fheight);
424
425 posx = (int)(DW_PIXMAP_WIDTH(pixmap) - fwidth)/2;
426 posy = (int)(DW_PIXMAP_HEIGHT(pixmap) - fheight)/2;
427
428 dw_color_foreground_set(DW_CLR_BLACK);
429 dw_color_background_set(DW_CLR_WHITE);
430 dw_draw_text(NULL, pixmap, posx, posy, text);
431 }
432 }
387 return TRUE; 433 return TRUE;
388 } 434 }
389 435
390 int DWSIGNAL print_callback(HWND window, void *data) 436 int DWSIGNAL print_callback(HWND window, void *data)
391 { 437 {
392 HPRINT print = dw_print_new("DWTest Job", 0, 1, DW_SIGNAL_FUNC(draw_page), NULL); 438 HPRINT print = dw_print_new("DWTest Job", 0, 2, DW_SIGNAL_FUNC(draw_page), NULL);
393 dw_print_run(print, 0); 439 dw_print_run(print, 0);
394 return FALSE; 440 return FALSE;
395 } 441 }
396 442
397 int DWSIGNAL refresh_callback(HWND window, void *data) 443 int DWSIGNAL refresh_callback(HWND window, void *data)