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Commit 3950ef036ef277037189b2d119d1c5cbd04edd75

Authored by Perry Werneck
1 parent 5e5bd949
Exists in master and in 1 other branch develop

Removendo uso da função cairo_show_text que, aparentemente, causa segfaults em windows.

Showing 3 changed files with 84 additions and 55 deletions   Show diff stats
draw.c
  Diff comments   View file @3950ef0
... ... @@ -30,8 +30,11 @@
30 30 #include <gtk/gtk.h>
31 31 #include <math.h>
32 32 #include <pw3270.h>
  33 + #include <ctype.h>
33 34 #include <lib3270.h>
  35 + #include <lib3270/log.h>
34 36 #include <lib3270/session.h>
  37 +
35 38 #include <v3270.h>
36 39 #include "private.h"
37 40  
... ... @@ -142,8 +145,47 @@ void v3270_draw_element(cairo_t *cr, unsigned char chr, unsigned short attr, H32
142 145  
143 146 }
144 147  
  148 +void v3270_draw_text_at(cairo_t *cr, int x, int y, v3270FontInfo *font, const char *str) {
  149 +
  150 + size_t szText = strlen(str);
  151 +
  152 + if(szText == 1 && isspace(*str)) {
  153 + return;
  154 + }
  155 +
  156 + // Tem string, desenha
  157 + cairo_status_t status;
  158 + cairo_glyph_t * glyphs = NULL;
  159 + int num_glyphs = 0;
  160 + cairo_text_cluster_t * clusters = NULL;
  161 + int num_clusters = 0;
  162 + cairo_text_cluster_flags_t cluster_flags;
  163 + cairo_scaled_font_t * scaled_font = cairo_get_scaled_font(cr);
  164 +
  165 + status = cairo_scaled_font_text_to_glyphs(
  166 + scaled_font,
  167 + (double) x, (double) (y+font->height),
  168 + str, szText,
  169 + &glyphs, &num_glyphs,
  170 + &clusters, &num_clusters, &cluster_flags );
  171 +
  172 + if (status == CAIRO_STATUS_SUCCESS) {
  173 + cairo_show_text_glyphs(cr,str,szText,glyphs, num_glyphs,clusters, num_clusters, cluster_flags);
  174 + }
  175 +
  176 + if(glyphs)
  177 + cairo_glyph_free(glyphs);
  178 +
  179 + if(clusters)
  180 + cairo_text_cluster_free(clusters);
  181 +
  182 +}
  183 +
145 184 void v3270_draw_text(cairo_t *cr, const GdkRectangle *rect, v3270FontInfo *font, const char *str) {
146 185  
  186 + v3270_draw_text_at(cr,rect->x,rect->y,font,str);
  187 +
  188 +/*
147 189 cairo_status_t status;
148 190 cairo_glyph_t * glyphs = NULL;
149 191 int num_glyphs = 0;
... ... @@ -168,7 +210,7 @@ void v3270_draw_text(cairo_t *cr, const GdkRectangle *rect, v3270FontInfo *font,
168 210  
169 211 if(clusters)
170 212 cairo_text_cluster_free(clusters);
171   -
  213 +*/
172 214 }
173 215  
174 216 void v3270_draw_char(cairo_t *cr, unsigned char chr, unsigned short attr, H3270 *session, v3270FontInfo *font, GdkRectangle *rect, GdkRGBA *fg, GdkRGBA *bg)
... ... @@ -470,6 +512,7 @@ void v3270_update_cursor_rect(v3270 *widget, GdkRectangle *rect, unsigned char c
470 512  
471 513 void v3270_queue_draw_area(GtkWidget *widget, gint x, gint y, gint width, gint height)
472 514 {
  515 +
473 516 if(GTK_V3270(widget)->drawing && gtk_widget_get_realized(widget))
474 517 {
475 518 gtk_widget_queue_draw_area(widget,x,y,width,height);
... ...
oia.c
  Diff comments   View file @3950ef0
... ... @@ -180,13 +180,8 @@ static void setup_luname_position(GdkRectangle *rect, v3270FontInfo *font, cairo
180 180  
181 181 if(luname)
182 182 {
183   -// cairo_move_to(cr,rect->x,rect->y+font->height);
184   -
185 183 gdk_cairo_set_source_rgba(cr,color+V3270_COLOR_OIA_LUNAME);
186 184 v3270_draw_text(cr,rect,font,luname);
187   -
188   -// cairo_show_text(cr,luname);
189   -// cairo_stroke(cr);
190 185 }
191 186  
192 187 cairo_restore(cr);
... ... @@ -242,55 +237,41 @@ static void setup_double_char_position(GdkRectangle *rect, v3270FontInfo *metric
242 237  
243 238 }
244 239  
  240 +static int draw_centered_char(cairo_t *cr, v3270FontInfo *metrics, int x, int y, const gchar chr)
  241 +{
  242 + char str[2] = { chr, 0 };
  243 +// cairo_text_extents_t extents;
  244 +
  245 + cairo_set_scaled_font(cr,metrics->scaled);
  246 +// cairo_text_extents(cr,str,&extents);
  247 +
  248 + v3270_draw_text_at(cr, x, y, metrics, str);
  249 +
  250 + return y+metrics->height+2;
  251 +
  252 +}
  253 +
245 254 static void draw_undera(cairo_t *cr, H3270 *host, v3270FontInfo *metrics, GdkRGBA *color, GdkRectangle *rect)
246 255 {
247   -#ifdef DEBUG
248   - cairo_set_source_rgb(cr,0.1,0.1,0.1);
249   -#else
250 256 gdk_cairo_set_source_rgba(cr,color+V3270_COLOR_OIA_BACKGROUND);
251   -#endif
252 257  
253 258 cairo_rectangle(cr, rect->x, rect->y, rect->width, rect->height);
254 259 cairo_fill(cr);
255 260  
256 261 if(lib3270_get_undera(host))
257 262 {
258   - const gchar *chr = lib3270_in_e(host) ? "B" : "A";
259   - cairo_text_extents_t extents;
260   - int x,y;
261   -
262   - gdk_cairo_set_source_rgba(cr,color+V3270_COLOR_OIA_BACKGROUND);
263   - cairo_rectangle(cr, rect->x, rect->y, rect->width, rect->height);
264   - cairo_fill(cr);
  263 + int y;
265 264  
266 265 gdk_cairo_set_source_rgba(cr,color+V3270_COLOR_OIA_FOREGROUND);
267 266  
268   - cairo_text_extents(cr,chr,&extents);
269   -
270   - x = rect->x + ((rect->width/2) - ((extents.width+extents.x_bearing)/2));
271   - y = rect->y + extents.height+((rect->height/2) - (extents.height/2));
272   -
273   - cairo_move_to(cr,x,y);
274   - cairo_show_text(cr,chr);
275   -
276   - cairo_move_to(cr,x+extents.x_bearing,y+2);
277   - cairo_rel_line_to(cr,extents.width,0);
  267 + y = draw_centered_char(cr, metrics,rect->x,rect->y, lib3270_in_e(host) ? 'B' : 'A');
278 268  
  269 + cairo_move_to(cr,rect->x,y);
  270 + cairo_rel_line_to(cr,10,0);
279 271 cairo_stroke(cr);
280 272  
281 273 }
282   -
283   -}
284   -
285   -static void draw_centered_char(cairo_t *cr, v3270FontInfo *metrics, int x, int y, const gchar chr)
286   -{
287   - char str[2] = { chr, 0 };
288   -
289   - cairo_text_extents_t extents;
290   - cairo_text_extents(cr,str,&extents);
291   -
292   - cairo_move_to(cr,x+(((metrics->width+2)/2)-(extents.width/2)),y+extents.height+( (metrics->spacing/2) - (extents.height/2)));
293   - cairo_show_text(cr,str);
  274 + debug("%s",__FUNCTION__);
294 275  
295 276 }
296 277  
... ... @@ -706,10 +687,12 @@ void v3270_update_luname(GtkWidget *widget,const gchar *name)
706 687  
707 688 if(name)
708 689 {
709   - cairo_move_to(cr,rect->x,rect->y+terminal->font.height);
  690 +// cairo_move_to(cr,rect->x,rect->y+terminal->font.height);
  691 +// cairo_show_text(cr,name);
  692 +// cairo_stroke(cr);
710 693 gdk_cairo_set_source_rgba(cr,terminal->color+V3270_COLOR_OIA_LUNAME);
711   - cairo_show_text(cr,name);
712   - cairo_stroke(cr);
  694 + v3270_draw_text_at(cr, rect->x, rect->y, &terminal->font, name);
  695 +
713 696 }
714 697  
715 698 cairo_destroy(cr);
... ... @@ -757,10 +740,7 @@ static void draw_cursor_position(cairo_t *cr, GdkRectangle *rect, v3270FontInfo
757 740 buffer[7] = 0;
758 741  
759 742 cairo_text_extents(cr,buffer,&extents);
760   -
761   - cairo_move_to(cr,(rect->x+rect->width)-(extents.width+2),rect->y+metrics->height);
762   - cairo_show_text(cr, buffer);
763   - cairo_stroke(cr);
  743 + v3270_draw_text_at(cr,(rect->x+rect->width)-(extents.width+2),rect->y,metrics,buffer);
764 744 }
765 745  
766 746 void v3270_update_cursor(H3270 *session, unsigned short row, unsigned short col, unsigned char c, unsigned short attr)
... ... @@ -937,9 +917,10 @@ static void update_text_field(v3270 *terminal, gboolean flag, V3270_OIA_FIELD id
937 917  
938 918 if(flag)
939 919 {
940   - cairo_move_to(cr,0,terminal->font.height);
941   - cairo_show_text(cr, text);
942   - cairo_stroke(cr);
  920 + v3270_draw_text_at(cr,0,0,&terminal->font,text);
  921 +// cairo_move_to(cr,0,terminal->font.height);
  922 +// cairo_show_text(cr, text);
  923 +// cairo_stroke(cr);
943 924 }
944 925  
945 926 cairo_destroy(cr);
... ... @@ -1108,29 +1089,33 @@ void v3270_update_oia(H3270 *session, LIB3270_FLAG id, unsigned char on)
1108 1089 switch(id)
1109 1090 {
1110 1091 case LIB3270_FLAG_BOXSOLID:
1111   - debug("%s",__FUNCTION__);
  1092 + debug("%s LIB3270_FLAG_BOXSOLID",__FUNCTION__);
1112 1093 cr = set_update_region(terminal,&r,V3270_OIA_CONNECTION);
1113 1094 v3270_draw_connection(cr,terminal->host,&terminal->font,terminal->color,r);
1114   - v3270_queue_draw_area(GTK_WIDGET(terminal),r->x,r->y,r->width,r->height);
1115 1095 cairo_destroy(cr);
  1096 + v3270_queue_draw_area(GTK_WIDGET(terminal),r->x,r->y,r->width,r->height);
1116 1097 break;
1117 1098  
1118 1099 case LIB3270_FLAG_UNDERA:
1119   - debug("%s",__FUNCTION__);
  1100 + debug("%s LIB3270_FLAG_UNDERA",__FUNCTION__);
1120 1101 cr = set_update_region(terminal,&r,V3270_OIA_UNDERA);
  1102 + debug("%s LIB3270_FLAG_UNDERA",__FUNCTION__);
1121 1103 draw_undera(cr,terminal->host,&terminal->font,terminal->color,r);
1122   - v3270_queue_draw_area(GTK_WIDGET(terminal),r->x,r->y,r->width,r->height);
  1104 + debug("%s LIB3270_FLAG_UNDERA",__FUNCTION__);
1123 1105 cairo_destroy(cr);
  1106 + debug("%s LIB3270_FLAG_UNDERA",__FUNCTION__);
  1107 + v3270_queue_draw_area(GTK_WIDGET(terminal),r->x,r->y,r->width,r->height);
  1108 + debug("%s LIB3270_FLAG_UNDERA",__FUNCTION__);
1124 1109 break;
1125 1110  
1126 1111 case LIB3270_FLAG_TYPEAHEAD:
1127   - debug("%s",__FUNCTION__);
  1112 + debug("%s LIB3270_FLAG_TYPEAHEAD",__FUNCTION__);
1128 1113 update_text_field(terminal,on,V3270_OIA_TYPEAHEAD,'T');
1129 1114 break;
1130 1115  
1131 1116 #ifdef HAVE_PRINTER
1132 1117 case LIB3270_FLAG_PRINTER:
1133   - debug("%s",__FUNCTION__);
  1118 + debug("%s LIB3270_FLAG_PRINTER",__FUNCTION__);
1134 1119 update_text_field(terminal,on,V3270_OIA_PRINTER,'P');
1135 1120 break;
1136 1121 #endif // HAVE_PRINTER
... ...
private.h
  Diff comments   View file @3950ef0
... ... @@ -271,6 +271,7 @@ void v3270_register_io_handlers(v3270Class *cls);
271 271  
272 272 void v3270_draw_char(cairo_t *cr, unsigned char chr, unsigned short attr, H3270 *session, v3270FontInfo *font, GdkRectangle *rect, GdkRGBA *fg, GdkRGBA *bg);
273 273 void v3270_draw_text(cairo_t *cr, const GdkRectangle *rect, v3270FontInfo *font, const char *str);
  274 +void v3270_draw_text_at(cairo_t *cr, int x, int y, v3270FontInfo *font, const char *str);
274 275  
275 276 void v3270_start_timer(GtkWidget *terminal);
276 277 void v3270_stop_timer(GtkWidget *terminal);
... ...