Give color targets the ability to display each LCD line a different color and use this newfangled ability to provide themable colored file types. See the comments on read_color_theme_file and the sample.colors file provided for how to use this. .colors files go in themes directory for now. This separate line color function should be trivial to add to menus and wpss.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13656 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 52 insertions, 23 deletions

diff --git a/apps/gui/list.c b/apps/gui/list.c
index 1aa189d9bf..5e073cc93b 100644
--- a/apps/gui/list.c
+++ b/apps/gui/list.c
@@ -63,11 +63,11 @@ static void gui_list_select_at_offset(struct gui_list * gui_list, int offset);
 /*
  * Initializes a scrolling list
  *  - gui_list : the list structure to initialize
- *  - callback_get_item_icon : pointer to a function that associates an icon
- *    to a given item number
  *  - callback_get_item_name : pointer to a function that associates a label
  *    to a given item number
  *  - data : extra data passed to the list callback
+ *  - scroll_all : 
+ *  - selected_size : 
  */
 static void gui_list_init(struct gui_list * gui_list,
     list_get_name callback_get_item_name,
@@ -97,6 +97,11 @@ static void gui_list_init(struct gui_list * gui_list,
     gui_list->last_displayed_selected_item = -1 ;
     gui_list->last_displayed_start_item = -1 ;
     gui_list->show_selection_marker = true;
+
+#ifdef HAVE_LCD_COLOR
+    gui_list->title_color = -1;
+    gui_list->callback_get_item_color = NULL;
+#endif
 }
 
 /* this toggles the selection bar or cursor */
@@ -274,13 +279,23 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
         }
 
 #ifdef HAVE_LCD_BITMAP
+        int title_style = STYLE_DEFAULT;
+#ifdef HAVE_LCD_COLOR
+        if (gui_list->title_color >= 0)
+        {
+            title_style |= STYLE_COLORED;
+            title_style |= gui_list->title_color;
+        }
+#endif
         screen_set_xmargin(display, text_pos); /* margin for title */
         item_offset = gui_list_get_item_offset(gui_list, gui_list->title_width,
                                                text_pos);
         if (item_offset > gui_list->title_width - (display->width - text_pos))
-            display->puts_offset(0, 0, gui_list->title, item_offset);
+            display->puts_style_offset(0, 0, gui_list->title,
+                                       title_style, item_offset);
         else
-            display->puts_scroll_offset(0, 0, gui_list->title, item_offset);
+            display->puts_scroll_style_offset(0, 0, gui_list->title,
+                                              title_style, item_offset);
 #else
         display->puts_scroll(text_pos, 0, gui_list->title);
 #endif
@@ -333,6 +348,7 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
         unsigned char *entry_name;
         int current_item = gui_list->start_item +
                            (SHOW_LIST_TITLE ? i-1 : i);
+        int style = STYLE_DEFAULT;
 
         /* When there are less items to display than the
          * current available space on the screen, we stop*/
@@ -350,6 +366,21 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
         item_offset = gui_list_get_item_offset(gui_list, item_width, text_pos);
 #endif
 
+#ifdef HAVE_LCD_COLOR
+        /* if the list has a color callback */
+        if (gui_list->callback_get_item_color)
+        {
+            int color = gui_list->callback_get_item_color(current_item,
+                                                          gui_list->data);
+            /* if color selected */
+            if (color >= 0)
+            {
+                style |= STYLE_COLORED;
+                style |= color;
+            }
+        }
+#endif
+
         if(gui_list->show_selection_marker &&
            current_item >= gui_list->selected_item &&
            current_item <  gui_list->selected_item + gui_list->selected_size)
@@ -357,29 +388,25 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
 #ifdef HAVE_LCD_BITMAP
             if (global_settings.invert_cursor)/* Display inverted-line-style*/
             {
-                /* if text got out of view */
-                if (item_offset > item_width - (display->width - text_pos))
-                {
-                    /* don't scroll */
-                    display->puts_style_offset(0, i, entry_name,
-                                               STYLE_INVERT,item_offset);
-                }
-                else
-                {
-                    display->puts_scroll_style_offset(0, i, entry_name,
-                                                      STYLE_INVERT,
-                                                      item_offset);
-                }
+                style |= STYLE_INVERT;
             }
             else  /*  if (!global_settings.invert_cursor) */
             {
-                if (item_offset > item_width - (display->width - text_pos))
-                    display->puts_offset(0, i, entry_name,item_offset);
-                else
-                    display->puts_scroll_offset(0, i, entry_name,item_offset);
                 if (current_item % gui_list->selected_size != 0)
                     draw_cursor = false;
             }
+            /* if the text is smaller than the viewport size */
+            if (item_offset > item_width - (display->width - text_pos))
+            {
+                /* don't scroll */
+                display->puts_style_offset(0, i, entry_name,
+                                           style, item_offset);
+            }
+            else
+            {
+                display->puts_scroll_style_offset(0, i, entry_name,
+                                                  style, item_offset);
+            }
 #else
             display->puts_scroll(text_pos, i, entry_name);
 #endif
@@ -397,7 +424,8 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
             if(gui_list->scroll_all)
             {
 #ifdef HAVE_LCD_BITMAP
-                display->puts_scroll_offset(0, i, entry_name,item_offset);
+                display->puts_scroll_style_offset(0, i, entry_name,
+                                                  style, item_offset);
 #else
                 display->puts_scroll(text_pos, i, entry_name);
 #endif
@@ -405,7 +433,8 @@ static void gui_list_draw_smart(struct gui_list *gui_list)
             else
             {
 #ifdef HAVE_LCD_BITMAP
-                display->puts_offset(0, i, entry_name,item_offset);
+                display->puts_style_offset(0, i, entry_name,
+                                           style, item_offset);
 #else
                 display->puts(text_pos, i, entry_name);
 #endif