5c416ae855
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17725 a1c6a512-1295-4272-9138-f99709370657
403 lines
16 KiB
C
403 lines
16 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2007 by Jonathan Gordon
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/* This file contains the code to draw the list widget on BITMAP LCDs. */
|
|
|
|
#include "config.h"
|
|
#include "lcd.h"
|
|
#include "font.h"
|
|
#include "button.h"
|
|
#include "sprintf.h"
|
|
#include "string.h"
|
|
#include "settings.h"
|
|
#include "kernel.h"
|
|
#include "system.h"
|
|
|
|
#include "action.h"
|
|
#include "screen_access.h"
|
|
#include "list.h"
|
|
#include "scrollbar.h"
|
|
#include "statusbar.h"
|
|
#include "lang.h"
|
|
#include "sound.h"
|
|
#include "misc.h"
|
|
#include "talk.h"
|
|
#include "viewport.h"
|
|
|
|
#define SCROLLBAR_WIDTH 6
|
|
#define ICON_PADDING 1
|
|
|
|
static struct viewport title_text[NB_SCREENS], title_icons[NB_SCREENS],
|
|
list_text[NB_SCREENS], list_icons[NB_SCREENS];
|
|
|
|
/* should probably be moved somewhere else */
|
|
int list_title_height(struct gui_synclist *list, struct viewport *vp)
|
|
{
|
|
(void)list;
|
|
return font_get(vp->font)->height;
|
|
}
|
|
int gui_list_get_item_offset(struct gui_synclist * gui_list, int item_width,
|
|
int text_pos, struct screen * display,
|
|
struct viewport *vp);
|
|
bool list_display_title(struct gui_synclist *list, struct viewport *vp);
|
|
|
|
/* Draw the list...
|
|
internal screen layout:
|
|
-----------------
|
|
|TI| title | TI is title icon
|
|
-----------------
|
|
| | | |
|
|
|S|I| | S - scrollbar
|
|
| | | items | I - icons
|
|
| | | |
|
|
------------------
|
|
*/
|
|
static bool draw_title(struct screen *display, struct viewport *parent,
|
|
struct gui_synclist *list)
|
|
{
|
|
struct viewport *vp_icons = &title_icons[display->screen_type];
|
|
struct viewport *vp_text = &title_text[display->screen_type];
|
|
if (!list_display_title(list, parent))
|
|
return false;
|
|
*vp_text = *parent;
|
|
vp_text->height = list_title_height(list, parent);
|
|
if (list->title_icon != Icon_NOICON && global_settings.show_icons)
|
|
{
|
|
*vp_icons = *vp_text;
|
|
vp_icons->width = get_icon_width(display->screen_type)
|
|
+ ICON_PADDING*2;
|
|
vp_icons->x += ICON_PADDING;
|
|
|
|
vp_text->width -= vp_icons->width + vp_icons->x;
|
|
vp_text->x += vp_icons->width + vp_icons->x;
|
|
|
|
display->set_viewport(vp_icons);
|
|
screen_put_icon(display, 0, 0, list->title_icon);
|
|
}
|
|
display->set_viewport(vp_text);
|
|
vp_text->drawmode = STYLE_DEFAULT;
|
|
#ifdef HAVE_LCD_COLOR
|
|
if (list->title_color >= 0)
|
|
{
|
|
vp_text->drawmode |= (STYLE_COLORED|list->title_color);}
|
|
#endif
|
|
display->puts_scroll_style_offset(0, 0, list->title,
|
|
vp_text->drawmode, 0);
|
|
return true;
|
|
}
|
|
|
|
void list_draw(struct screen *display, struct viewport *parent,
|
|
struct gui_synclist *list)
|
|
{
|
|
int start, end, line_height, i;
|
|
int icon_width = get_icon_width(display->screen_type) + ICON_PADDING;
|
|
bool show_cursor = !global_settings.cursor_style &&
|
|
list->show_selection_marker;
|
|
#ifdef HAVE_LCD_COLOR
|
|
unsigned char cur_line = 0;
|
|
#endif
|
|
int item_offset;
|
|
bool show_title;
|
|
line_height = font_get(parent->font)->height;
|
|
display->set_viewport(parent);
|
|
display->clear_viewport();
|
|
display->stop_scroll();
|
|
list_text[display->screen_type] = *parent;
|
|
if ((show_title = draw_title(display, parent, list)))
|
|
{
|
|
list_text[display->screen_type].y += list_title_height(list, parent);
|
|
list_text[display->screen_type].height -= list_title_height(list, parent);
|
|
}
|
|
|
|
start = list->start_item[display->screen_type];
|
|
end = start + viewport_get_nb_lines(&list_text[display->screen_type]);
|
|
|
|
/* draw the scrollbar if its needed */
|
|
if (global_settings.scrollbar &&
|
|
viewport_get_nb_lines(&list_text[display->screen_type]) < list->nb_items)
|
|
{
|
|
struct viewport vp;
|
|
vp = list_text[display->screen_type];
|
|
vp.width = SCROLLBAR_WIDTH;
|
|
list_text[display->screen_type].width -= SCROLLBAR_WIDTH;
|
|
list_text[display->screen_type].x += SCROLLBAR_WIDTH;
|
|
vp.height = line_height *
|
|
viewport_get_nb_lines(&list_text[display->screen_type]);
|
|
vp.x = parent->x;
|
|
display->set_viewport(&vp);
|
|
gui_scrollbar_draw(display, 0, 0, SCROLLBAR_WIDTH-1,
|
|
vp.height, list->nb_items,
|
|
list->start_item[display->screen_type],
|
|
list->start_item[display->screen_type] + end-start,
|
|
VERTICAL);
|
|
}
|
|
else if (show_title)
|
|
{
|
|
/* shift everything right a bit... */
|
|
list_text[display->screen_type].width -= SCROLLBAR_WIDTH;
|
|
list_text[display->screen_type].x += SCROLLBAR_WIDTH;
|
|
}
|
|
|
|
/* setup icon placement */
|
|
list_icons[display->screen_type] = list_text[display->screen_type];
|
|
int icon_count = global_settings.show_icons &&
|
|
(list->callback_get_item_icon != NULL) ? 1 : 0;
|
|
if (show_cursor)
|
|
icon_count++;
|
|
if (icon_count)
|
|
{
|
|
list_icons[display->screen_type].width = icon_width * icon_count;
|
|
list_text[display->screen_type].width -=
|
|
list_icons[display->screen_type].width + ICON_PADDING;
|
|
list_text[display->screen_type].x +=
|
|
list_icons[display->screen_type].width + ICON_PADDING;
|
|
}
|
|
|
|
for (i=start; i<end && i<list->nb_items; i++)
|
|
{
|
|
/* do the text */
|
|
unsigned char *s;
|
|
char entry_buffer[MAX_PATH];
|
|
unsigned char *entry_name;
|
|
int text_pos = 0;
|
|
s = list->callback_get_item_name(i, list->data, entry_buffer,
|
|
sizeof(entry_buffer));
|
|
entry_name = P2STR(s);
|
|
display->set_viewport(&list_text[display->screen_type]);
|
|
list_text[display->screen_type].drawmode = STYLE_DEFAULT;
|
|
/* position the string at the correct offset place */
|
|
int item_width,h;
|
|
display->getstringsize(entry_name, &item_width, &h);
|
|
item_offset = gui_list_get_item_offset(list, item_width,
|
|
text_pos, display,
|
|
&list_text[display->screen_type]);
|
|
|
|
#ifdef HAVE_LCD_COLOR
|
|
/* if the list has a color callback */
|
|
if (list->callback_get_item_color)
|
|
{
|
|
int color = list->callback_get_item_color(i, list->data);
|
|
/* if color selected */
|
|
if (color >= 0)
|
|
{
|
|
list_text[display->screen_type].drawmode |= STYLE_COLORED|color;
|
|
}
|
|
}
|
|
#endif
|
|
if(i >= list->selected_item &&
|
|
i < list->selected_item + list->selected_size && list->show_selection_marker)
|
|
{/* The selected item must be displayed scrolling */
|
|
if (global_settings.cursor_style == 1
|
|
#ifdef HAVE_REMOTE_LCD
|
|
/* the global_settings.cursor_style check is here to make sure
|
|
if they want the cursor instead of bar it will work */
|
|
|| (display->depth < 16 && global_settings.cursor_style)
|
|
#endif
|
|
)
|
|
{
|
|
/* Display inverted-line-style */
|
|
list_text[display->screen_type].drawmode = STYLE_INVERT;
|
|
}
|
|
#ifdef HAVE_LCD_COLOR
|
|
else if (global_settings.cursor_style == 2)
|
|
{
|
|
/* Display colour line selector */
|
|
list_text[display->screen_type].drawmode = STYLE_COLORBAR;
|
|
}
|
|
else if (global_settings.cursor_style == 3)
|
|
{
|
|
/* Display gradient line selector */
|
|
list_text[display->screen_type].drawmode = STYLE_GRADIENT;
|
|
|
|
/* Make the lcd driver know how many lines the gradient should
|
|
cover and current line number */
|
|
/* number of selected lines */
|
|
list_text[display->screen_type].drawmode |= NUMLN_PACK(list->selected_size);
|
|
/* current line number, zero based */
|
|
list_text[display->screen_type].drawmode |= CURLN_PACK(cur_line);
|
|
cur_line++;
|
|
}
|
|
#endif
|
|
/* if the text is smaller than the viewport size */
|
|
if (item_offset > item_width - (list_text[display->screen_type].width - text_pos))
|
|
{
|
|
/* don't scroll */
|
|
display->puts_style_offset(0, i-start, entry_name,
|
|
list_text[display->screen_type].drawmode, item_offset);
|
|
}
|
|
else
|
|
{
|
|
display->puts_scroll_style_offset(0, i-start, entry_name,
|
|
list_text[display->screen_type].drawmode, item_offset);
|
|
}
|
|
}
|
|
else
|
|
display->puts_style_offset(0, i-start, entry_name,
|
|
list_text[display->screen_type].drawmode, item_offset);
|
|
/* do the icon */
|
|
if (list->callback_get_item_icon && global_settings.show_icons)
|
|
{
|
|
display->set_viewport(&list_icons[display->screen_type]);
|
|
screen_put_icon_with_offset(display, show_cursor?1:0,
|
|
(i-start),show_cursor?ICON_PADDING:0,0,
|
|
list->callback_get_item_icon(i, list->data));
|
|
if (show_cursor && i >= list->selected_item &&
|
|
i < list->selected_item + list->selected_size)
|
|
{
|
|
screen_put_icon(display, 0, i-start, Icon_Cursor);
|
|
}
|
|
}
|
|
else if (show_cursor && i >= list->selected_item &&
|
|
i < list->selected_item + list->selected_size)
|
|
{
|
|
display->set_viewport(&list_icons[display->screen_type]);
|
|
screen_put_icon(display, 0, (i-start), Icon_Cursor);
|
|
}
|
|
}
|
|
|
|
display->set_viewport(parent);
|
|
display->update_viewport();
|
|
display->set_viewport(NULL);
|
|
}
|
|
|
|
|
|
#if defined(HAVE_TOUCHPAD)
|
|
/* This needs to be fixed if we ever get more than 1 touchscreen on a target.
|
|
* This also assumes the whole screen is used, which is a bad assumption but
|
|
* fine until customizable lists comes in...
|
|
*/
|
|
static bool scrolling=false;
|
|
|
|
unsigned gui_synclist_do_touchpad(struct gui_synclist * gui_list, struct viewport *parent)
|
|
{
|
|
short x, y;
|
|
unsigned button = action_get_touchpad_press(&x, &y);
|
|
int line;
|
|
struct screen *display = &screens[SCREEN_MAIN];
|
|
if (button == BUTTON_NONE)
|
|
return ACTION_NONE;
|
|
if (x<list_text[SCREEN_MAIN].x)
|
|
{
|
|
/* Top left corner is hopefully GO_TO_ROOT */
|
|
if (y<list_text[SCREEN_MAIN].y)
|
|
{
|
|
if (button == BUTTON_REL)
|
|
return ACTION_STD_MENU;
|
|
else if (button == (BUTTON_REPEAT|BUTTON_REL))
|
|
return ACTION_STD_CONTEXT;
|
|
else
|
|
return ACTION_NONE;
|
|
}
|
|
/* Scroll bar */
|
|
else
|
|
{
|
|
int new_selection, nb_lines;
|
|
int height, size;
|
|
nb_lines = viewport_get_nb_lines(&list_text[SCREEN_MAIN]);
|
|
if (nb_lines < gui_list->nb_items)
|
|
{
|
|
height = nb_lines * font_get(parent->font)->height;
|
|
size = height / gui_list->nb_items;
|
|
new_selection = ((y-list_text[SCREEN_MAIN].y)*(gui_list->nb_items-nb_lines))/(height-size);
|
|
|
|
if (new_selection - gui_list->start_item[SCREEN_MAIN] > (nb_lines/2))
|
|
new_selection = gui_list->start_item[SCREEN_MAIN]+(nb_lines/2);
|
|
else if (new_selection > gui_list->nb_items-nb_lines)
|
|
new_selection = gui_list->nb_items-nb_lines;
|
|
|
|
gui_synclist_select_item(gui_list, new_selection);
|
|
gui_list->start_item[SCREEN_MAIN] = new_selection;
|
|
return ACTION_REDRAW;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* |--------------------------------------------------------|
|
|
* | Description of the touchscreen list interface: |
|
|
* |--------------------------------------------------------|
|
|
* | Pressing an item will select it and "enter" it. |
|
|
* | |
|
|
* | Pressing and holding your pen down will scroll through |
|
|
* | the list of items. |
|
|
* | |
|
|
* | Pressing and holding your pen down on a single item |
|
|
* | will bring up the context menu of it. |
|
|
* |--------------------------------------------------------|
|
|
*/
|
|
if (y > list_text[SCREEN_MAIN].y)
|
|
{
|
|
int line_height, actual_y;
|
|
|
|
actual_y = y - list_text[SCREEN_MAIN].y;
|
|
line_height = font_get(parent->font)->height;
|
|
line = actual_y / line_height;
|
|
|
|
if(actual_y%line_height == 0) /* Pressed a border */
|
|
return ACTION_NONE;
|
|
|
|
if (line != gui_list->selected_item - gui_list->start_item[SCREEN_MAIN] && button ^ BUTTON_REL)
|
|
{
|
|
if (gui_list->start_item[SCREEN_MAIN]+line > gui_list->nb_items)
|
|
return ACTION_NONE;
|
|
if(button & BUTTON_REPEAT)
|
|
scrolling = true;
|
|
gui_synclist_select_item(gui_list, gui_list->start_item[SCREEN_MAIN]+line);
|
|
return ACTION_REDRAW;
|
|
}
|
|
|
|
if (button == (BUTTON_REPEAT|BUTTON_REL))
|
|
{
|
|
if(!scrolling)
|
|
{
|
|
/* Pen was hold on the same line as the previously selected one
|
|
* => simulate long button press
|
|
*/
|
|
return ACTION_STD_CONTEXT;
|
|
}
|
|
else
|
|
{
|
|
/* Pen was moved across several lines and then released on this one
|
|
* => do nothing
|
|
*/
|
|
scrolling = false;
|
|
return ACTION_NONE;
|
|
}
|
|
}
|
|
else if(button == BUTTON_REL)
|
|
{
|
|
/* Pen was released on either the same line as the previously selected one
|
|
* or an other one
|
|
* => simulate short press
|
|
*/
|
|
return ACTION_STD_OK;
|
|
}
|
|
else
|
|
return ACTION_NONE;
|
|
}
|
|
/* Title goes up one level (only on BUTTON_REL&~BUTTON_REPEAT) */
|
|
else if (y > title_text[SCREEN_MAIN].y && draw_title(display, parent, gui_list) && button == BUTTON_REL)
|
|
return ACTION_STD_CANCEL;
|
|
/* Title or statusbar is cancel (only on BUTTON_REL&~BUTTON_REPEAT) */
|
|
else if (global_settings.statusbar && button == BUTTON_REL)
|
|
return ACTION_STD_CANCEL;
|
|
}
|
|
return ACTION_NONE;
|
|
}
|
|
#endif
|