text viewer:

-remove 1px gap at the top and bottom of the screen to maximize the draw erea, especially for small screens.
-fix trashes on the vertical scrollbar when scrolled the column left/right.
-fix bug that vertical scrllbar sometimes goes up while scrolling down.
-don't chage displayed line after closing menu.
-use simplelist to select bookmark to make it work better.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28213 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/text_viewer/text_viewer.c

@@ -60,7 +60,7 @@ enum plugin_status plugin_start(const void* file)
     atexit(tv_exit);
     while (!done) {
 #ifdef HAVE_LCD_BITMAP
-        if (rb->global_settings->statusbar != STATUSBAR_OFF && preferences->statusbar)
+        if (preferences->statusbar)
             rb->send_event(GUI_EVENT_ACTIONUPDATE, NULL);
 #endif
 

apps/plugins/text_viewer/tv_action.c

@@ -174,8 +174,6 @@ unsigned tv_menu(void)
     if (res == TV_MENU_RESULT_EXIT_MENU)
     {
         tv_convert_fpos(cur_file_pos, &cur_pos);
-        if (preferences->vertical_scroll_mode == VS_PAGE)
-            cur_pos.line = 0;
 
         tv_move_screen(cur_pos.page, cur_pos.line, SEEK_SET);
     }

apps/plugins/text_viewer/tv_bookmark.c

@@ -166,6 +166,30 @@ void tv_create_system_bookmark(void)
     }
 }
 
+static const char* get_bookmark_name(int selected, void * data,
+                                     char * buffer, size_t buffer_len)
+{
+    (void)data;
+    struct tv_bookmark_info *bookmark = &bookmarks[selected];
+    rb->snprintf(buffer, buffer_len,
+#ifdef HAVE_LCD_BITMAP
+                 "%cPage: %d  Line: %d",
+#else
+                 "%cP:%d  L:%d",
+#endif
+                 (bookmark->flag & TV_BOOKMARK_SYSTEM)? '*' : ' ',
+                 bookmark->pos.page + 1, bookmark->pos.line + 1);
+    return buffer;
+}
+
+static int list_action_callback(int action, struct gui_synclist *lists)
+{
+    (void) lists;
+    if (action == ACTION_STD_OK)
+        return ACTION_STD_CANCEL;
+    return action;
+}
+
 void tv_select_bookmark(void)
 {
     int i;
@@ -185,32 +209,18 @@ void tv_select_bookmark(void)
         select_pos = bookmarks[0].pos;
     else
     {
-        int selected = -1;
-        struct opt_items items[bookmark_count];
-        unsigned char names[bookmark_count][24];
+        struct simplelist_info info;
 
         rb->qsort(bookmarks, bookmark_count, sizeof(struct tv_bookmark_info), bm_comp);
 
-        for (i = 0; i < bookmark_count; i++)
-        {
-            rb->snprintf(names[i], sizeof(names[0]),
-#if CONFIG_KEYPAD != PLAYER_PAD
-                         "%cPage: %d  Line: %d",
-#else
-                         "%cP:%d  L:%d",
-#endif
-                         (bookmarks[i].flag & TV_BOOKMARK_SYSTEM)? '*' : ' ',
-                         bookmarks[i].pos.page + 1,
-                         bookmarks[i].pos.line + 1);
-            items[i].string = names[i];
-            items[i].voice_id = -1;
-        }
+        rb->simplelist_info_init(&info, "Select bookmark",
+                                 bookmark_count, bookmarks);
+        info.get_name = get_bookmark_name;
+        info.action_callback = list_action_callback;
+        rb->simplelist_show_list(&info);
 
-        rb->set_option("Select bookmark", &selected, INT, items,
-                       bookmark_count, NULL);
-
-        if (selected >= 0 && selected < bookmark_count)
-            select_pos = bookmarks[selected].pos;
+        if (info.selection >= 0 && info.selection < bookmark_count)
+            select_pos = bookmarks[info.selection].pos;
         else
         {
             /* when does not select any bookmarks, move to the current page */

apps/plugins/text_viewer/tv_display.c

@@ -81,14 +81,11 @@ struct tv_rect {
 };
 
 static struct viewport vp_info;
+static struct viewport vp_text;
 static bool is_initialized_vp = false;
 
 static struct screen* display;
 
-#ifdef HAVE_LCD_BITMAP
-static int drawmode = DRMODE_SOLID;
-#endif
-
 /* layout */
 #ifdef HAVE_LCD_BITMAP
 static struct tv_rect header;
@@ -98,7 +95,6 @@ static struct tv_rect vertical_scrollbar;
 #else
 static struct tv_rect bookmark;
 #endif
-static struct tv_rect drawarea;
 
 static bool show_horizontal_scrollbar;
 static bool show_vertical_scrollbar;
@@ -176,18 +172,23 @@ void tv_init_scrollbar(off_t total, bool show_scrollbar)
 void tv_show_bookmarks(const int *rows, int count)
 {
 #ifdef HAVE_LCD_BITMAP
-    rb->lcd_set_drawmode(DRMODE_COMPLEMENT);
+    display->set_viewport(&vp_text);
+    display->set_drawmode(DRMODE_COMPLEMENT);
 #endif
 
     while (count--)
     {
 #ifdef HAVE_LCD_BITMAP
-        display->fillrect(drawarea.x, drawarea.y + rows[count] * row_height,
-                          drawarea.w, row_height);
+        display->fillrect(0, rows[count] * row_height,
+                          vp_text.width, row_height);
 #else
-        display->putchar(bookmark.x, drawarea.y + rows[count], TV_BOOKMARK_ICON);
+        display->putchar(bookmark.x, bookmark.y + rows[count], TV_BOOKMARK_ICON);
 #endif
     }
+#ifdef HAVE_LCD_BITMAP
+    display->set_drawmode(DRMODE_SOLID);
+    display->set_viewport(&vp_info);
+#endif
 }
 
 void tv_update_extra(int window, int col, const struct tv_screen_pos *pos, int size)
@@ -215,22 +216,23 @@ void tv_draw_text(int row, const unsigned char *text, int offset)
     if (preferences->alignment == AL_RIGHT)
     {
         display->getstringsize(text, &text_width, NULL);
-        xpos += ((offset > 0)? drawarea.w * 2 : drawarea.w) - text_width;
+        xpos += ((offset > 0)? vp_text.width * 2 : vp_text.width) - text_width;
     }
 
+    display->set_viewport(&vp_text);
 #ifdef HAVE_LCD_BITMAP
-    display->putsxy(drawarea.x + xpos, drawarea.y + row * row_height, text);
+    display->putsxy(xpos, row * row_height, text);
 #else
-    display->puts(drawarea.x + xpos, drawarea.y + row, text);
+    display->puts(xpos, row, text);
 #endif
+    display->set_viewport(&vp_info);
 }
 
 void tv_start_display(void)
 {
     display->set_viewport(&vp_info);
 #ifdef HAVE_LCD_BITMAP
-    drawmode = rb->lcd_get_drawmode();
-    rb->lcd_set_drawmode(DRMODE_SOLID);
+    display->set_drawmode(DRMODE_SOLID);
 #endif
 
 #if LCD_DEPTH > 1
@@ -242,11 +244,6 @@ void tv_start_display(void)
 void tv_end_display(void)
 {
     display->update_viewport();
-
-#ifdef HAVE_LCD_BITMAP
-    rb->lcd_set_drawmode(drawmode);
-#endif
-
     display->set_viewport(NULL);
 }
 
@@ -261,29 +258,30 @@ void tv_set_layout(bool show_scrollbar)
     row_height = preferences->font->height;
 
     header.x = 0;
-    header.y = 1;
+    header.y = 0;
     header.w = vp_info.width;
     header.h = (preferences->header_mode)? row_height + 1 : 0;
 
     footer.x = 0;
     footer.w = vp_info.width;
     footer.h = (preferences->footer_mode)? row_height + 1 : 0;
-    footer.y = vp_info.height - 1 - footer.h;
+    footer.y = vp_info.height - footer.h;
 
-    drawarea.x = scrollbar_width;
-    drawarea.y = header.y + header.h;
-    drawarea.w = vp_info.width - scrollbar_width;
-    drawarea.h = footer.y - drawarea.y - scrollbar_height;
-
-    horizontal_scrollbar.x = drawarea.x;
+    horizontal_scrollbar.x = scrollbar_width;
     horizontal_scrollbar.y = footer.y - scrollbar_height;
-    horizontal_scrollbar.w = drawarea.w;
+    horizontal_scrollbar.w = vp_info.width - scrollbar_width;
     horizontal_scrollbar.h = scrollbar_height;
 
     vertical_scrollbar.x = 0;
-    vertical_scrollbar.y = drawarea.y;
+    vertical_scrollbar.y = header.y + header.h;
     vertical_scrollbar.w = scrollbar_width;
-    vertical_scrollbar.h = drawarea.h;
+    vertical_scrollbar.h = footer.y - vertical_scrollbar.y - scrollbar_height;
+
+    vp_text = vp_info;
+    vp_text.x += horizontal_scrollbar.x;
+    vp_text.y += vertical_scrollbar.y;
+    vp_text.width = horizontal_scrollbar.w;
+    vp_text.height = vertical_scrollbar.h;
 #else
     (void) show_scrollbar;
 
@@ -294,19 +292,18 @@ void tv_set_layout(bool show_scrollbar)
     bookmark.w = 1;
     bookmark.h = vp_info.height;
 
-    drawarea.x = 1;
-    drawarea.y = 0;
-    drawarea.w = vp_info.width - 1;
-    drawarea.h = vp_info.height;
+    vp_text = vp_info;
+    vp_text.x += 1;
+    vp_text.width -= 1;
 #endif
 
-    display_columns = drawarea.w / col_width;
-    display_rows    = drawarea.h / row_height;
+    display_columns = vp_text.width / col_width;
+    display_rows    = vp_text.height / row_height;
 }
 
 void tv_get_drawarea_info(int *width, int *cols, int *rows)
 {
-    *width = drawarea.w;
+    *width = vp_text.width;
     *cols  = display_columns;
     *rows  = display_rows;
 }
@@ -314,8 +311,7 @@ void tv_get_drawarea_info(int *width, int *cols, int *rows)
 static void tv_change_viewport(void)
 {
 #ifdef HAVE_LCD_BITMAP
-    bool show_statusbar = (rb->global_settings->statusbar != STATUSBAR_OFF &&
-                           preferences->statusbar);
+    bool show_statusbar = preferences->statusbar;
 
     if (is_initialized_vp)
         rb->viewportmanager_theme_undo(SCREEN_MAIN, false);

apps/plugins/text_viewer/tv_pager.c

@@ -220,7 +220,7 @@ void tv_convert_fpos(off_t fpos, struct tv_screen_pos *pos)
     while (tv_create_line_positions() && cur_pos.file_pos < fpos)
         rb->splashf(0, "converting %ld%%...", 100 * cur_pos.file_pos / fpos);
 
-    if (cur_pos.page < max_page)
+    if (i < max_page)
         cur_pos.page--;
     tv_seek_page(cur_pos.page, SEEK_SET);
     for (i = 0; i < lines_per_page; i++)
@@ -296,6 +296,8 @@ void tv_move_screen(int page_offset, int line_offset, int whence)
         if (cur_pos.page < max_page && new_pos.line == lines_per_page)
         {
             tv_seek(line_pos[lines_per_page], SEEK_CUR);
+            cur_pos.file_pos += line_pos[lines_per_page];
+
             for (i = 0; i < parse_lines; i++)
                 line_pos[i] = line_pos[i + lines_per_page] - line_pos[lines_per_page];
 

apps/plugins/text_viewer/tv_reader.c

@@ -111,7 +111,6 @@ void tv_seek(off_t offset, int whence)
                 return;
             }
             file_pos += buf_pos;
-            whence = SEEK_SET;
             break;
 
         default: