Mercurial > MadButterfly

annotate examples/svg2code_ex/main.c @ 110:c14cb6d12030

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author Thinker K.F. Li <thinker@branda.to>
date Fri, 12 Sep 2008 15:31:10 +0800
parents 565b55508c8d
children e4e47d2cdbcd
rev   line source
110
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1 /*! \page svg2code_ex
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2 *
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3 * svg2code_ex is an example that show programmers how to create a
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4 * menu with MadButterfly.
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5 *
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6 */
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7 #include <stdio.h>
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8 #include <mb/mb.h>
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9 #include "svg2code_ex.h"
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10
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11 typedef struct _ex_rt ex_rt_t;
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12 struct _ex_rt {
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13 X_MB_runtime_t *rt;
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14 svg2code_ex_t *code;
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15 };
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16
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17 static void file_button_handler(event_t *evt, void *arg) {
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18 ex_rt_t *ex_rt = (ex_rt_t *)arg;
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19
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20 switch(evt->type) {
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21 case EVT_MOUSE_BUT_PRESS:
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22 coord_show(ex_rt->code->file_menu);
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23 /* Tell redraw manager that a coord (group) is chagned. */
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24 rdman_coord_changed(ex_rt->rt->rdman, ex_rt->code->file_menu);
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25 /* Update changed part to UI. */
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26 rdman_redraw_changed(ex_rt->rt->rdman);
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27 break;
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28 }
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29 }
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30
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31 static void file_menu_handler(event_t *evt, void *arg) {
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32 ex_rt_t *ex_rt = (ex_rt_t *)arg;
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33
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34 switch(evt->type) {
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35 case EVT_MOUSE_BUT_PRESS:
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36 coord_hide(ex_rt->code->file_menu);
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37 /* Tell redraw manager that a coord (group) is chagned. */
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38 rdman_coord_changed(ex_rt->rt->rdman, ex_rt->code->file_menu);
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39 /* Update changed part to UI. */
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40 rdman_redraw_changed(ex_rt->rt->rdman);
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41 break;
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42 }
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43 }
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44
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45 int main(int argc, char * const argv[]) {
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46 X_MB_runtime_t rt;
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47 svg2code_ex_t *svg2code;
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48 ob_factory_t *factory;
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49 subject_t *subject;
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50 ex_rt_t ex_rt;
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51 int r;
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52
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53 /*
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54 * Initialize a runtime with XLib as backend.
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55 */
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56 r = X_MB_init(":0.0", 800, 600, &rt);
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58 /*
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59 * Instantiate objects from a SVG file.
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60 */
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61 svg2code = svg2code_ex_new(rt.rdman);
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62
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63 /*
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64 * Get observer factory
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65 */
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66 factory = rdman_get_ob_factory(rt.rdman);
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67 /*
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68 * Register observers to subjects of events for objects.
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69 */
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70 subject = coord_get_mouse_event(svg2code->file_button);
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71 ex_rt.rt = &rt;
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72 ex_rt.code = svg2code;
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73 subject_add_observer(factory, subject, file_button_handler, &ex_rt);
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74 subject = coord_get_mouse_event(svg2code->file_menu);
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75 subject_add_observer(factory, subject, file_menu_handler, &ex_rt);
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77 /*
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78 * Start handle connections, includes one to X server.
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79 * User start to interact with the application.
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80 */
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81 X_MB_handle_connection(&rt);
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82
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83 /*
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84 * Clean
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85 */
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86 svg2code_ex_free(svg2code);
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87 X_MB_destroy(&rt);
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88
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89 return 0;
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90 }