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annotate examples/svg2code_ex/main.c @ 853:13e0953c3fb3 abs_n_rel_center

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backup transform matrix when create a new coord
author Thinker K.F. Li <thinker@codemud.net>
date Mon, 20 Sep 2010 22:43:43 +0800
parents f9d507a3e1d9
children 71489039406b
rev   line source
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1 /*! \file
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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.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 #define COORD_SHOW(group) coord_show(group);rdman_coord_changed(X_MB_rdman(ex_rt->rt), group)
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18 #define COORD_HIDE(group) coord_hide(group);rdman_coord_changed(X_MB_rdman(ex_rt->rt), group)
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19
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20 static void file_button_handler(event_t *evt, void *arg) {
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21 ex_rt_t *ex_rt = (ex_rt_t *)arg;
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22
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23 COORD_SHOW(ex_rt->code->file_menu);
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24 /* Update changed part to UI. */
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25 rdman_redraw_changed(X_MB_rdman(ex_rt->rt));
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26 }
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27
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28 static void file_menu_handler(event_t *evt, void *arg) {
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29 ex_rt_t *ex_rt = (ex_rt_t *)arg;
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30
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31 COORD_HIDE(ex_rt->code->file_menu);
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32 /* Update changed part to UI. */
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33 rdman_redraw_changed(X_MB_rdman(ex_rt->rt));
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34 }
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35
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36 int main(int argc, char * const argv[]) {
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37 X_MB_runtime_t *rt;
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38 redraw_man_t *rdman;
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39 svg2code_ex_t *svg2code;
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40 subject_t *subject;
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41 ex_rt_t ex_rt;
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42
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43 /*
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44 * Initialize a runtime with XLib as backend.
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45 */
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46 rt = X_MB_new(":0.0", 800, 600);
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48 /*
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49 * Instantiate objects from a SVG file.
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50 */
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51 rdman = X_MB_rdman(rt);
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52 svg2code = svg2code_ex_new(rdman, rdman->root_coord);
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54 /*
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55 * Register observers to subjects of events for objects.
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56 */
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57 subject = coord_get_mouse_event(svg2code->file_button);
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58 ex_rt.rt = rt;
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59 ex_rt.code = svg2code;
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60 subject_add_event_observer(subject, EVT_MOUSE_BUT_PRESS, file_button_handler, &ex_rt);
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61 subject = coord_get_mouse_event(svg2code->file_menu);
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62 subject_add_event_observer(subject, EVT_MOUSE_BUT_PRESS, file_menu_handler, &ex_rt);
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64 /*
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65 * Start handle connections, includes one to X server.
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66 * User start to interact with the application.
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67 */
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68 X_MB_handle_connection(rt);
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70 /*
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71 * Clean
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72 */
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73 svg2code_ex_free(svg2code);
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74 X_MB_free(rt);
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76 return 0;
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77 }