Diff of /trunk/src/osm-gps-map-osd-classic.c

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revision 73 by harbaum, Sun Aug 23 19:38:15 2009 UTC revision 74 by harbaum, Mon Aug 24 09:23:36 2009 UTC
# Line 35  Line 35 
35    
36  //the osd controls  //the osd controls
37  typedef struct {  typedef struct {
38        /* the offscreen representation of the OSD */
39        cairo_surface_t *overlay;
40    
41        /* stuff required to restore the original map content */
42      GdkPixmap *backup;      GdkPixmap *backup;
43      gint backup_x, backup_y;      gint backup_x, backup_y;
44      cairo_surface_t *overlay;  
45        GdkColor bg, fg, da;
46    
47  } osd_priv_t;  } osd_priv_t;
48    
49  /* position and extent of bounding box */  /* position and extent of bounding box */
50  #define OSD_X      (10)  #define OSD_X      (10)
51  #define OSD_Y      (10)  #define OSD_Y      (10)
52    
 #define OSD_COLOR            0.5, 0.5, 1  
 #define OSD_COLOR_DISABLED   0.8, 0.8, 0.8  
   
53  /* parameters of the direction shape */  /* parameters of the direction shape */
54  #ifndef OSM_GPS_MAP_OSD_DIAMETER  #ifndef OSM_GPS_MAP_OSD_DIAMETER
55  #define D_RAD  (30)         // diameter of dpad  #define D_RAD  (30)         // diameter of dpad
# Line 61  typedef struct { Line 64  typedef struct {
64  #define Z_STEP   (D_RAD/4)  // distance between dpad and zoom  #define Z_STEP   (D_RAD/4)  // distance between dpad and zoom
65  #define Z_RAD    (D_RAD/2)  // radius of "caps" of zoom bar  #define Z_RAD    (D_RAD/2)  // radius of "caps" of zoom bar
66    
67    #ifdef OSD_SHADOW_ENABLE
68  /* shadow also depends on control size */  /* shadow also depends on control size */
69  #define OSD_SHADOW (D_RAD/6)  #define OSD_SHADOW (D_RAD/6)
70    #else
71    #define OSD_SHADOW (0)
72    #endif
73    
74  /* total width and height of controls incl. shadow */  /* total width and height of controls incl. shadow */
75  #define OSD_W    (2*D_RAD + OSD_SHADOW)  #define OSD_W    (2*D_RAD + OSD_SHADOW)
76  #define OSD_H    (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW)  #define OSD_H    (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW)
77    
78    #ifdef OSD_SHADOW_ENABLE
79  #define OSD_LBL_SHADOW (OSD_SHADOW/2)  #define OSD_LBL_SHADOW (OSD_SHADOW/2)
80    #endif
81    
82  #define Z_TOP    (2 * D_RAD + Z_STEP)  #define Z_TOP    (2 * D_RAD + Z_STEP)
83  #define Z_MID    (Z_TOP + Z_RAD)  #define Z_MID    (Z_TOP + Z_RAD)
# Line 175  osm_gps_map_osd_check(gint x, gint y) { Line 184  osm_gps_map_osd_check(gint x, gint y) {
184      return but;      return but;
185  }  }
186    
187    #ifdef OSD_SHADOW_ENABLE
188  static void  static void
189  osm_gps_map_osd_shape_shadow(cairo_t *cr) {  osm_gps_map_osd_shape_shadow(cairo_t *cr) {
190      cairo_set_source_rgba (cr, 0, 0, 0, 0.2);      cairo_set_source_rgba (cr, 0, 0, 0, 0.2);
191      cairo_fill (cr);      cairo_fill (cr);
192      cairo_stroke (cr);      cairo_stroke (cr);
193  }  }
194    #endif
195    
196    #ifndef OSD_COLOR
197    /* if no color has been specified we just use the gdks default colors */
198    static void
199    osm_gps_map_osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) {
200        gdk_cairo_set_source_color(cr, bg);
201        cairo_fill_preserve (cr);
202        gdk_cairo_set_source_color(cr, fg);
203        cairo_set_line_width (cr, 1);
204        cairo_stroke (cr);
205    }
206    #else
207  static void  static void
208  osm_gps_map_osd_shape(cairo_t *cr) {  osm_gps_map_osd_shape(cairo_t *cr) {
209      cairo_set_source_rgb (cr, 1, 1, 1);      cairo_set_source_rgb (cr, OSD_COLOR_BG);
210      cairo_fill_preserve (cr);      cairo_fill_preserve (cr);
211      cairo_set_source_rgb (cr, OSD_COLOR);      cairo_set_source_rgb (cr, OSD_COLOR);
212      cairo_set_line_width (cr, 1);      cairo_set_line_width (cr, 1);
213      cairo_stroke (cr);      cairo_stroke (cr);
214  }  }
215    #endif
216    
217  static void  static void
218  osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) {  osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) {
# Line 255  osm_gps_map_osd_zoom_labels(cairo_t *cr, Line 278  osm_gps_map_osd_zoom_labels(cairo_t *cr,
278      cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID);      cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID);
279  }  }
280    
281    #ifndef OSD_COLOR
282    /* if no color has been specified we just use the gdks default colors */
283    static void
284    osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled,
285                           GdkColor *fg, GdkColor *disabled) {
286        if(enabled)  gdk_cairo_set_source_color(cr, fg);
287        else         gdk_cairo_set_source_color(cr, disabled);
288        cairo_set_line_width (cr, width);
289        cairo_stroke (cr);
290    }
291    #else
292  static void  static void
293  osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) {  osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) {
294      if(enabled)  cairo_set_source_rgb (cr, OSD_COLOR);      if(enabled)  cairo_set_source_rgb (cr, OSD_COLOR);
# Line 262  osm_gps_map_osd_labels(cairo_t *cr, gint Line 296  osm_gps_map_osd_labels(cairo_t *cr, gint
296      cairo_set_line_width (cr, width);      cairo_set_line_width (cr, width);
297      cairo_stroke (cr);      cairo_stroke (cr);
298  }  }
299    #endif
300    
301    #ifdef OSD_SHADOW_ENABLE
302  static void  static void
303  osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) {  osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) {
304      cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15);      cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15);
305      cairo_set_line_width (cr, width);      cairo_set_line_width (cr, width);
306      cairo_stroke (cr);      cairo_stroke (cr);
307  }  }
308    #endif
309    
310  static void  static void
311  osm_gps_map_osd_render(osm_gps_map_osd_t *osd) {  osm_gps_map_osd_render(osm_gps_map_osd_t *osd) {
# Line 285  osm_gps_map_osd_render(osm_gps_map_osd_t Line 322  osm_gps_map_osd_render(osm_gps_map_osd_t
322      /* --------- draw zoom and dpad shape shadow ----------- */      /* --------- draw zoom and dpad shape shadow ----------- */
323      gint x = 0, y = 0;      gint x = 0, y = 0;
324    
325    #ifdef OSD_SHADOW_ENABLE
326      osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW);      osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW);
327      osm_gps_map_osd_shape_shadow(cr);      osm_gps_map_osd_shape_shadow(cr);
328      osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW);      osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW);
329      osm_gps_map_osd_shape_shadow(cr);      osm_gps_map_osd_shape_shadow(cr);
330    #endif
331    
332      /* --------- draw zoom and dpad shape ----------- */      /* --------- draw zoom and dpad shape ----------- */
333    
334      osm_gps_map_osd_zoom_shape(cr, x, y);      osm_gps_map_osd_zoom_shape(cr, x, y);
335    #ifndef OSD_COLOR
336        osm_gps_map_osd_shape(cr, &priv->bg, &priv->fg);
337    #else
338      osm_gps_map_osd_shape(cr);      osm_gps_map_osd_shape(cr);
339    #endif
340      osm_gps_map_osd_dpad_shape(cr, x, y);      osm_gps_map_osd_dpad_shape(cr, x, y);
341    #ifndef OSD_COLOR
342        osm_gps_map_osd_shape(cr, &priv->bg, &priv->fg);
343    #else
344      osm_gps_map_osd_shape(cr);      osm_gps_map_osd_shape(cr);
345    #endif
346    
347      /* --------- draw zoom and dpad labels --------- */      /* --------- draw zoom and dpad labels --------- */
348    
349    #ifdef OSD_SHADOW_ENABLE
350      osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);      osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);
351      osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);      osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);
352      osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE);      osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE);
353      osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);      osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW);
354      osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL);      osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL);
355    #endif
356    
357      osm_gps_map_osd_zoom_labels(cr, x, y);      osm_gps_map_osd_zoom_labels(cr, x, y);
358      osm_gps_map_osd_dpad_labels(cr, x, y);      osm_gps_map_osd_dpad_labels(cr, x, y);
359    #ifndef OSD_COLOR
360        osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE, &priv->fg, &priv->da);
361    #else
362      osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE);      osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE);
363    #endif
364      osm_gps_map_osd_dpad_gps(cr, x, y);      osm_gps_map_osd_dpad_gps(cr, x, y);
365    #ifndef OSD_COLOR
366        osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL, &priv->fg, &priv->da);
367    #else
368      osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL);      osm_gps_map_osd_labels(cr, Z_RAD/6, osd->cb != NULL);
369    #endif
370    
371      cairo_destroy(cr);      cairo_destroy(cr);
372  }  }
# Line 401  osm_gps_map_osd_classic_init(OsmGpsMap * Line 458  osm_gps_map_osd_classic_init(OsmGpsMap *
458    
459      osd_classic.priv = priv;      osd_classic.priv = priv;
460    
461        /* extract style info from the widget */
462        priv->bg = GTK_WIDGET(map)->style->bg[GTK_STATE_NORMAL];
463        priv->fg = GTK_WIDGET(map)->style->fg[GTK_STATE_NORMAL];
464        priv->da = GTK_WIDGET(map)->style->fg[GTK_STATE_INSENSITIVE];
465    
466      osm_gps_map_register_osd(map, &osd_classic);      osm_gps_map_register_osd(map, &osd_classic);
467  }  }
468    
469    
470    /* below are osd specific functions which aren't used by osm-gps-map */
471    /* but instead are to be used by the main application */
472  void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, gpointer data) {  void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, gpointer data) {
473      osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map);      osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map);
474    
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