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annotate include/mb_redraw_man.h @ 224:29e1b2bffe4c

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X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly. - backend does not interpret mouse events (over/out/move), now. - redraw manager, now, interpret mouse events to make it backend independent. - The task (interpret mouse events) should be moved to somewhere in futhure. - backend only sent MotionNotify as EVT_MOUSE_MOVE_RAW. - EVT_MOUSE_MOVE_RAW is interpreted by backend independent code.
author Thinker K.F. Li <thinker@branda.to>
date Mon, 15 Dec 2008 10:13:03 +0800
parents 530bb7728546
children a6e559fb76d7
rev   line source
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1 #ifndef __REDRAW_MAN_H_
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2 #define __REDRAW_MAN_H_
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4 #include <cairo.h>
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5 #include "mb_tools.h"
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6 #include "mb_types.h"
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7 #include "mb_observer.h"
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8
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9 typedef struct _redraw_man redraw_man_t;
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11 typedef void (*free_func_t)(redraw_man_t *rdman, void *obj);
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12 struct _free_obj {
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13 void *obj;
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14 free_func_t free_func;
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15 };
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16 typedef struct _free_obj free_obj_t;
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17 struct _free_objs {
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18 int num, max;
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19 free_obj_t *objs;
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20 };
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21 typedef struct _free_objs free_objs_t;
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22
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23 DARRAY(coords, coord_t *);
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24 DARRAY(geos, geo_t *);
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25 DARRAY(areas, area_t *);
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26
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27 /*! \brief Manage redrawing of shapes (graphic elements).
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28 *
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29 * Every coord_t and geo_t object is assigned with a unique
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30 * incremental order. The order is a unsigned integer.
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31 * Every time a new coord_t or geo_t object is added, it is
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32 * assigned with a order number that 1 bigger than last one
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33 * until reaching maximum of unsigned integer.
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34 * When a maximum is meet, all coord_t or geo_t objects
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35 * are reasigned with a new order number from 1. It means
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36 * order numbers that have been assigned and then removed
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37 * later are recycled.
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38 *
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39 * Dirty flag is clear when the transformation matrix of a coord
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40 * object been recomputed or when a geo_t objects been redrawed.
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41 */
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42 struct _redraw_man {
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43 unsigned int next_coord_order;
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44 int n_coords;
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45 coord_t *root_coord;
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46
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47 elmpool_t *geo_pool;
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48 elmpool_t *coord_pool;
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49 elmpool_t *shnode_pool;
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50 elmpool_t *observer_pool;
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51 elmpool_t *subject_pool;
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52 elmpool_t *paint_color_pool;
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53 elmpool_t *pent_pool;
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54
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55 coords_t dirty_coords;
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56 geos_t dirty_geos;
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57 areas_t dirty_areas;
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58
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59 geos_t gen_geos;
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60
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61 STAILQ(shape_t) shapes; /*!< \brief All managed shapes. */
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62 STAILQ(paint_t) paints; /*!< \brief All managed paints. */
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63
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64 free_objs_t free_objs;
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65
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66 cairo_t *cr;
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67 cairo_t *backend;
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68
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69 ob_factory_t ob_factory;
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70
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71 subject_t *redraw; /*!< \brief Notified after redrawing. */
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72 subject_t *addrm_monitor; /*!< \brief Monitor adding/removing observers
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73 * to/from mouse event subjects.
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74 */
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75 mb_obj_t *last_mouse_over;
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76 };
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77
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78 extern int redraw_man_init(redraw_man_t *rdman, cairo_t *cr,
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79 cairo_t *backend);
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80 extern void redraw_man_destroy(redraw_man_t *rdman);
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81 extern int rdman_find_overlaid_shapes(redraw_man_t *rdman,
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82 geo_t *geo,
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83 geo_t ***overlays);
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84 extern int rdman_add_shape(redraw_man_t *rdman,
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85 shape_t *shape, coord_t *coord);
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86 /*! \brief Make a shape been managed by a redraw manager. */
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87 #define rdman_shape_man(rdman, shape) \
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88 do { \
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89 mb_prop_store_init(&((mb_obj_t *)(shape))->props, \
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90 (rdman)->pent_pool); \
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91 STAILQ_INS_TAIL(rdman->shapes, shape_t, sh_next, shape); \
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92 if(rdman->last_mouse_over == (mb_obj_t *)(shape)) \
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93 rdman->last_mouse_over = NULL; \
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94 } while(0)
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95 extern int rdman_shape_free(redraw_man_t *rdman, shape_t *shape);
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96
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97 #define rdman_paint_man(rdman, paint) \
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98 STAILQ_INS_TAIL(rdman->paints, paint_t, pnt_next, shape)
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99 extern int rdman_paint_free(redraw_man_t *rdman, paint_t *paint);
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100
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101 extern coord_t *rdman_coord_new(redraw_man_t *rdman, coord_t *parent);
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102 extern int rdman_coord_free(redraw_man_t *rdman, coord_t *coord);
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103 extern int rdman_coord_subtree_free(redraw_man_t *rdman, coord_t *subtree);
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104 extern int rdman_coord_changed(redraw_man_t *rdman, coord_t *coord);
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105 extern int rdman_shape_changed(redraw_man_t *rdman, shape_t *shape);
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106 extern int rdman_redraw_changed(redraw_man_t *rdman);
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107 extern int rdman_redraw_all(redraw_man_t *rdman);
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108 extern int rdman_redraw_area(redraw_man_t *rdman, co_aix x, co_aix y,
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109 co_aix w, co_aix h);
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110 extern geo_t *rdman_geos(redraw_man_t *rdman, geo_t *last);
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111 extern int rdman_force_clean(redraw_man_t *rdman);
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112 extern shnode_t *shnode_new(redraw_man_t *rdman, shape_t *shape);
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113 #define shnode_free(rdman, node) elmpool_elm_free((rdman)->shnode_pool, node)
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114 #define shnode_list_free(rdman, q) \
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115 do { \
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116 shnode_t *__node, *__last; \
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117 __last = STAILQ_HEAD(q); \
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118 if(__last == NULL) break; \
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119 for(__node = STAILQ_NEXT(shnode_t, next, __last); \
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120 __node != NULL; \
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121 __node = STAILQ_NEXT(shnode_t, next, __node)) { \
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122 shnode_free(rdman, __last); \
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123 __last = __node; \
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124 } \
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Thinker K.F. Li <thinker@branda.to>
parents: 16
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125 shnode_free(rdman, __last); \
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Thinker K.F. Li <thinker@branda.to>
parents: 16
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126 } while(0)
22
8fcf2d878ecd shapes with stroke
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127 #define _rdman_paint_child(rdman, paint, shape) \
18
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128 do { \
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129 shnode_t *__node; \
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130 if((shape)->fill != (paint) && \
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Thinker K.F. Li <thinker@branda.to>
parents: 16
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131 (shape)->stroke != (paint)) { \
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132 __node = shnode_new(rdman, shape); \
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133 STAILQ_INS_TAIL((paint)->members, \
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Thinker K.F. Li <thinker@branda.to>
parents: 16
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134 shnode_t, next, __node); \
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parents: 16
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135 } \
22
8fcf2d878ecd shapes with stroke
Thinker K.F. Li <thinker@branda.to>
parents: 18
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136 } while(0)
159
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Thinker K.F. Li <thinker@branda.to>
parents: 158
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137 extern void _rdman_paint_real_remove_child(redraw_man_t *rdman,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
138 paint_t *paint,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
139 shape_t *shape);
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
140 #define _rdman_paint_remove_child(rdman, paint, shape) \
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Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
141 do { \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
142 if((shape)->fill == (shape)->stroke && \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
143 (shape)->stroke == paint) \
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Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
144 break; \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
145 _rdman_paint_real_remove_child(rdman, paint, shape); \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
146 } while(0)
22
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parents: 18
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147 #define rdman_paint_fill(rdman, paint, shape) \
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parents: 18
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148 do { \
159
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
149 if((shape)->fill == paint) \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
150 break; \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
151 _rdman_paint_remove_child(rdman, paint, shape); \
22
8fcf2d878ecd shapes with stroke
Thinker K.F. Li <thinker@branda.to>
parents: 18
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152 _rdman_paint_child(rdman, paint, shape); \
159
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
153 (shape)->fill = paint; \
18
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Thinker K.F. Li <thinker@branda.to>
parents: 16
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154 } while(0)
22
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parents: 18
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155 #define rdman_paint_stroke(rdman, paint, shape) \
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Thinker K.F. Li <thinker@branda.to>
parents: 18
diff changeset
156 do { \
159
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
157 if((shape)->stroke == paint) \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
158 break; \
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
159 _rdman_paint_remove_child(rdman, paint, shape); \
22
8fcf2d878ecd shapes with stroke
Thinker K.F. Li <thinker@branda.to>
parents: 18
diff changeset
160 _rdman_paint_child(rdman, paint, shape); \
159
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty.
Thinker K.F. Li <thinker@branda.to>
parents: 158
diff changeset
161 (shape)->stroke = paint; \
22
8fcf2d878ecd shapes with stroke
Thinker K.F. Li <thinker@branda.to>
parents: 18
diff changeset
162 } while(0)
18
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Thinker K.F. Li <thinker@branda.to>
parents: 16
diff changeset
163 extern int rdman_paint_changed(redraw_man_t *rdman, paint_t *paint);
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
164
30
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents: 24
diff changeset
165 extern shape_t *find_shape_at_pos(redraw_man_t *rdman,
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents: 24
diff changeset
166 co_aix x, co_aix y, int *in_stroke);
73
9ab15ebc9061 Observer for mouse events
Thinker K.F. Li <thinker@branda.to>
parents: 37
diff changeset
167 #define rdman_get_ob_factory(rdman) (&(rdman)->ob_factory)
154
6ce68c1f7405 Tank can fire bullet.
Thinker K.F. Li <thinker@branda.to>
parents: 146
diff changeset
168 #define rdman_get_redraw_subject(rdman) ((rdman)->redraw)
224
29e1b2bffe4c X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly.
Thinker K.F. Li <thinker@branda.to>
parents: 186
diff changeset
169 #define rdman_get_root(rdman) ((rdman)->root_coord)
30
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over.
Thinker K.F. Li <thinker@branda.to>
parents: 24
diff changeset
170
12
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
171
79e9edf4c00a Add redraw manager
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
172 #endif /* __REDRAW_MAN_H_ */