/[james]/archive/guilib/dialog_riscos.c
ViewVC logotype

Annotation of /archive/guilib/dialog_riscos.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 16 - (hide annotations) (download) (as text)
Mon Feb 10 22:56:40 2003 UTC (21 years, 8 months ago) by james
File MIME type: text/x-csrc
File size: 11937 byte(s)
Initial import.

1 james 16 /*
2     * dialog_riscos.c -- dialog creation, RISC OS
3     */
4    
5     #include "gui.h"
6    
7     /****************************************************************************************/
8     /* Dialog creation functions */
9     /****************************************************************************************/
10    
11     #define DIALOG_ICON_CHUNK 10
12     #define DIALOG_NONE 0xffffffff
13    
14     static gui_window_id dialog_id = DIALOG_NONE;
15     static wimp_window *dialog_block;
16     static int dialog_block_icons;
17     static int dialog_icons;
18     static int dialog_y;
19     static int dialog_x;
20     static struct gui_dialog_icon *dialog_icon;
21    
22     /*
23     * gui_start_dialog -- start creating a dialogue window
24     *
25     * => title -- window title
26     *
27     * <= nothing
28     */
29    
30     void gui_start_dialog(char *title, unsigned int width,
31     bool close, const char *help)
32     {
33     assert(dialog_id == DIALOG_NONE);
34    
35     #ifdef DEBUG
36     printf("gui_start_dialog: title = '%s'\n", title);
37     fflush(stdout);
38     #endif
39    
40     dialog_id = gui_get_free_window_id();
41    
42     dialog_block_icons = DIALOG_ICON_CHUNK;
43     dialog_icons = 0;
44     dialog_y = 4;
45     dialog_x = width;
46    
47     dialog_icon = malloc(dialog_block_icons * sizeof(struct gui_dialog_icon));
48     if (!dialog_icon) gui_raise_error("memory");
49    
50     dialog_block = malloc(wimp_SIZEOF_WINDOW(dialog_block_icons));
51     if (!dialog_block) gui_raise_error("memory");
52    
53     dialog_block->flags = wimp_WINDOW_MOVEABLE | wimp_WINDOW_AUTO_REDRAW |
54     wimp_WINDOW_NEW_FORMAT | wimp_WINDOW_BACK_ICON | wimp_WINDOW_TITLE_ICON |
55     (close ? wimp_WINDOW_CLOSE_ICON : 0);
56     dialog_block->title_fg = wimp_COLOUR_BLACK;
57     dialog_block->title_bg = wimp_COLOUR_LIGHT_GREY;
58     dialog_block->work_fg = wimp_COLOUR_BLACK;
59     dialog_block->work_bg = wimp_COLOUR_VERY_LIGHT_GREY;
60     dialog_block->highlight_bg = wimp_COLOUR_CREAM;
61     dialog_block->extent.x0 = dialog_block->extent.y1 = 0;
62     dialog_block->extent.x1 = width;
63     dialog_block->title_flags = wimp_ICON_TEXT | wimp_ICON_HCENTRED | wimp_ICON_VCENTRED |
64     wimp_ICON_INDIRECTED;
65     dialog_block->work_flags = 0;
66     dialog_block->sprite_area = (osspriteop_area *) 1;
67     dialog_block->xmin = dialog_block->ymin = 1;
68     dialog_block->title_data.indirected_text.text = title;
69     dialog_block->title_data.indirected_text.validation = 0;
70    
71     gui_window_list[dialog_id].title = title;
72     gui_window_list[dialog_id].help = help;
73     }
74    
75    
76     /*
77     * gui_create_dialog -- finish creating and open a dialogue window
78     *
79     * => nothing
80     *
81     * <= window id
82     */
83    
84     gui_window_id gui_create_dialog()
85     {
86     gui_window_id id = dialog_id;
87     wimp_w handle;
88     wimp_open open;
89    
90     assert(dialog_id != DIALOG_NONE);
91    
92     dialog_y += 4;
93    
94     dialog_block->extent.y0 = -dialog_y;
95     dialog_block->icon_count = dialog_icons;
96    
97     gui_error = xwimp_create_window(dialog_block, &handle);
98     gui_check_error();
99    
100     gui_window_list[dialog_id].used = DIALOG;
101     gui_window_list[dialog_id].handle = handle;
102     gui_window_list[dialog_id].close_fn = gui_remove_window;
103     gui_window_list[dialog_id].redraw_fn = NULL;
104     gui_window_list[dialog_id].click_fn = NULL;
105     gui_window_list[dialog_id].resize_fn = NULL;
106     gui_window_list[dialog_id].key_fn = NULL;
107     gui_window_list[dialog_id].input_fn = NULL;
108     gui_window_list[dialog_id].menu_fn = NULL;
109     gui_window_list[dialog_id].width = dialog_block->extent.x1;
110     gui_window_list[dialog_id].height = dialog_y;
111     gui_window_list[dialog_id].menu = NULL;
112     gui_window_list[dialog_id].icon = dialog_icon;
113    
114     free(dialog_block);
115    
116     open.w = handle;
117     open.visible.x0 = open.visible.y0 = 300;
118     open.visible.x1 = 300 + gui_window_list[dialog_id].width;
119     open.visible.y1 = 300 + dialog_y;
120     open.xscroll = open.yscroll = 0;
121     open.next = wimp_TOP;
122     gui_error = xwimp_open_window(&open);
123     gui_check_error();
124    
125     dialog_id = DIALOG_NONE;
126    
127     #ifdef DEBUG
128     printf("gui_create_dialog: id = 0x%x, handle = 0x%x\n", dialog_id,
129     (unsigned int) handle);
130     fflush(stdout);
131     #endif
132    
133     return id;
134     }
135    
136    
137     /*
138     * ensure_dialog_space -- allocate memory for icons if necessary
139     *
140     * => nothing
141     *
142     * <= nothing
143     */
144    
145     void ensure_dialog_space(void)
146     {
147     if (dialog_icons == dialog_block_icons)
148     {
149     dialog_block_icons += DIALOG_ICON_CHUNK;
150     dialog_block = realloc(dialog_block, wimp_SIZEOF_WINDOW(dialog_block_icons));
151     dialog_icon = realloc(dialog_icon, dialog_block_icons * sizeof(struct gui_dialog_icon));
152     if (!dialog_block || !dialog_icon)
153     {
154     /* free(dialog_block);*/
155     dialog_id = DIALOG_NONE;
156     gui_raise_error("memory");
157     }
158     }
159     }
160    
161    
162     /*
163     * gui_create_label -- create a text label
164     *
165     * => text -- label text
166     *
167     * <= nothing
168     */
169    
170     void gui_create_label(char *text, const char *help)
171     {
172     assert(dialog_id != DIALOG_NONE);
173    
174     #ifdef DEBUG
175     printf("gui_create_label: text = '%s'\n", text);
176     fflush(stdout);
177     #endif
178    
179     ensure_dialog_space();
180    
181     dialog_block->icons[dialog_icons].extent.x0 = 0;
182     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y + 52);
183     dialog_block->icons[dialog_icons].extent.x1 = dialog_block->extent.x1;
184     dialog_block->icons[dialog_icons].extent.y1 = -dialog_y;
185     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_HCENTRED |
186     wimp_ICON_VCENTRED | wimp_ICON_INDIRECTED |
187     wimp_BUTTON_NEVER << wimp_ICON_BUTTON_TYPE_SHIFT |
188     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
189     wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT;
190     dialog_block->icons[dialog_icons].data.indirected_text.text = text;
191     dialog_block->icons[dialog_icons].data.indirected_text.validation = 0;
192    
193     dialog_icon[dialog_icons].type = ICON_NONE;
194     dialog_icon[dialog_icons].help = help;
195    
196     dialog_icons++;
197     dialog_y += 52;
198     }
199    
200    
201     /*
202     * gui_create_text_box -- create a labelled writeable text box
203     *
204     * => text -- label text
205     * mask -- entry mask (eg. '0-9' etc)
206     *
207     * <= gadget id
208     * 0 if an error occurred
209     */
210    
211     gui_gadget_id gui_create_text_box(char *text, const char *mask, const char *help)
212     {
213     assert(dialog_id != DIALOG_NONE);
214    
215     #ifdef DEBUG
216     printf("gui_create_text_box: text = '%s', mask = '%s'\n", text, mask);
217     fflush(stdout);
218     #endif
219    
220     ensure_dialog_space();
221    
222     dialog_block->icons[dialog_icons].extent.x0 = 0;
223     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y + 60);
224     dialog_block->icons[dialog_icons].extent.x1 = dialog_block->extent.x1 * 0.25;
225     dialog_block->icons[dialog_icons].extent.y1 = -dialog_y;
226     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_RJUSTIFIED |
227     wimp_ICON_VCENTRED | wimp_ICON_INDIRECTED |
228     wimp_BUTTON_NEVER << wimp_ICON_BUTTON_TYPE_SHIFT |
229     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
230     wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT;
231     dialog_block->icons[dialog_icons].data.indirected_text.text = text;
232     dialog_block->icons[dialog_icons].data.indirected_text.validation = 0;
233    
234     dialog_icon[dialog_icons].type = ICON_NONE;
235     dialog_icon[dialog_icons].help = help;
236    
237     dialog_icons++;
238    
239     ensure_dialog_space();
240    
241     dialog_block->icons[dialog_icons].extent.x0 = dialog_block->extent.x1 * 0.25;
242     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y + 56);
243     dialog_block->icons[dialog_icons].extent.x1 = dialog_block->extent.x1 - 8;
244     dialog_block->icons[dialog_icons].extent.y1 = -(dialog_y + 4);
245     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_VCENTRED |
246     wimp_ICON_INDIRECTED | wimp_ICON_BORDER | wimp_ICON_FILLED |
247     wimp_BUTTON_WRITABLE << wimp_ICON_BUTTON_TYPE_SHIFT |
248     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
249     wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT;
250     if (!(dialog_block->icons[dialog_icons].data.indirected_text.text = calloc(20, 1)))
251     {
252     free(dialog_block);
253     dialog_id = DIALOG_NONE;
254     gui_raise_error("memory");
255     }
256     dialog_block->icons[dialog_icons].data.indirected_text.validation = (char *) "kta;pptr_write,4,4";
257     dialog_block->icons[dialog_icons].data.indirected_text.size = 20;
258    
259     dialog_icon[dialog_icons].type = ICON_NONE;
260     dialog_icon[dialog_icons].help = help;
261    
262     dialog_icons++;
263     dialog_y += 60;
264    
265     return (gui_gadget_id) dialog_icons - 1;
266     }
267    
268    
269     /*
270     * gui_create_text_box -- create a labelled display text box
271     *
272     * => text -- label text
273     * value -- display text
274     *
275     * <= gadget id
276     * 0 if an error occurred
277     */
278    
279     gui_gadget_id gui_create_display_box(char *text, char *value, const char *help)
280     {
281     assert(dialog_id != DIALOG_NONE);
282    
283     #ifdef DEBUG
284     printf("gui_create_display_box: text = '%s'\n", text);
285     fflush(stdout);
286     #endif
287    
288     ensure_dialog_space();
289    
290     dialog_block->icons[dialog_icons].extent.x0 = 0;
291     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y + 60);
292     dialog_block->icons[dialog_icons].extent.x1 = dialog_block->extent.x1 * 0.25;
293     dialog_block->icons[dialog_icons].extent.y1 = -dialog_y;
294     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_RJUSTIFIED |
295     wimp_ICON_VCENTRED | wimp_ICON_INDIRECTED |
296     wimp_BUTTON_NEVER << wimp_ICON_BUTTON_TYPE_SHIFT |
297     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
298     wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT;
299     dialog_block->icons[dialog_icons].data.indirected_text.text = text;
300     dialog_block->icons[dialog_icons].data.indirected_text.validation = 0;
301    
302     dialog_icon[dialog_icons].type = ICON_NONE;
303     dialog_icon[dialog_icons].help = help;
304    
305     dialog_icons++;
306    
307     ensure_dialog_space();
308    
309     dialog_block->icons[dialog_icons].extent.x0 = dialog_block->extent.x1 * 0.25;
310     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y + 56);
311     dialog_block->icons[dialog_icons].extent.x1 = dialog_block->extent.x1 - 8;
312     dialog_block->icons[dialog_icons].extent.y1 = -(dialog_y + 4);
313     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_VCENTRED |
314     wimp_ICON_INDIRECTED | wimp_ICON_BORDER | wimp_ICON_FILLED |
315     wimp_BUTTON_NEVER << wimp_ICON_BUTTON_TYPE_SHIFT |
316     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
317     wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT;
318     dialog_block->icons[dialog_icons].data.indirected_text.text = value;
319     dialog_block->icons[dialog_icons].data.indirected_text.validation = (char *) "r2";
320     dialog_block->icons[dialog_icons].data.indirected_text.size = 20;
321    
322     dialog_icon[dialog_icons].type = ICON_NONE;
323     dialog_icon[dialog_icons].help = help;
324    
325     dialog_icons++;
326     dialog_y += 60;
327    
328     return (gui_gadget_id) dialog_icons - 1;
329     }
330    
331    
332     /*
333     * gui_create_button -- create an action button
334     *
335     * => text -- button text
336     * click_fn -- function called when button is clicked
337     *
338     * <= nothing
339     */
340    
341     void gui_create_button(char *text, void (*click_fn)(gui_window_id window_id, gui_gadget_id gadget_id), const char *help)
342     {
343     unsigned const int border = (dialog_x == dialog_block->extent.x1 ? 8 : 0);
344    
345     assert(dialog_id != DIALOG_NONE);
346    
347     #ifdef DEBUG
348     printf("gui_create_button: text = '%s'\n", text);
349     fflush(stdout);
350     #endif
351    
352     ensure_dialog_space();
353    
354     if (dialog_x == dialog_block->extent.x1) dialog_y += 84;
355    
356     dialog_block->icons[dialog_icons].extent.x0 = dialog_x - 140 - border * 2;
357     dialog_block->icons[dialog_icons].extent.y0 = -(dialog_y - 16 + border);
358     dialog_block->icons[dialog_icons].extent.x1 = dialog_x - 8;
359     dialog_block->icons[dialog_icons].extent.y1 = -(dialog_y - 68 - border);
360     dialog_block->icons[dialog_icons].flags = wimp_ICON_TEXT | wimp_ICON_HCENTRED |
361     wimp_ICON_VCENTRED | wimp_ICON_INDIRECTED | wimp_ICON_BORDER | wimp_ICON_FILLED |
362     wimp_BUTTON_CLICK << wimp_ICON_BUTTON_TYPE_SHIFT |
363     wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT |
364     wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT;
365     dialog_block->icons[dialog_icons].data.indirected_text.text = text;
366     dialog_block->icons[dialog_icons].data.indirected_text.validation =
367     (dialog_x == dialog_block->extent.x1 ? (char *) "r6,3" : (char *) "r5,3");
368    
369     dialog_icon[dialog_icons].type = ICON_ACTION;
370     dialog_icon[dialog_icons].click_fn = click_fn;
371     dialog_icon[dialog_icons].help = help;
372    
373     dialog_icons++;
374     dialog_x -= 140 + border * 2;
375     }

  ViewVC Help
Powered by ViewVC 1.1.26