345 lines
9.2 KiB
C
345 lines
9.2 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2010 Yoshihisa Uchida
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "tv_display.h"
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#include "tv_preferences.h"
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/*
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* display layout
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*
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* when is defined HAVE_LCD_BITMAP
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* +-------------------------+
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* |statusbar (1) |
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* +-------------------------+
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* |filename (2) |
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* +---+---------------------+
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* |s | |
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* |c | |
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* |r | draw area |
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* |o | |
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* |l | |
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* |l | |
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* |b | |
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* |a | |
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* |r | |
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* |(3)| |
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* +---+---------------------+
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* | |scrollbar (4) |
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* +---+---------------------+
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* |page (5) |
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* +-------------------------+
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* |statusbar (6) |
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* +-------------------------+
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*
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* (1) displays when rb->global_settings->statusbar == STATUSBAR_TOP
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* and preferences->header_mode is HD_SBAR or HD_BOTH.
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* (2) displays when preferences->header_mode is HD_PATH or HD_BOTH.
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* (3) displays when preferences->vertical_scrollbar is SB_ON.
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* (4) displays when preferences->horizontal_scrollbar is SB_ON.
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* (5) displays when preferences->footer_mode is FT_PAGE or FT_BOTH.
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* (6) displays when rb->global_settings->statusbar == STATUSBAR_BOTTOM
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* and preferences->footer_mode is FT_SBAR or FT_BOTH.
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*
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*
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* when isn't defined HAVE_LCD_BITMAP
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* +---+---------------------+
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* | | |
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* |(7)| draw area |
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* | | |
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* +---+---------------------+
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* (7) bookmark
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*/
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#define TV_SCROLLBAR_WIDTH rb->global_settings->scrollbar_width
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#define TV_SCROLLBAR_HEIGHT 4
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#ifndef HAVE_LCD_BITMAP
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#define TV_BOOKMARK_ICON 0xe101
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#endif
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struct tv_rect {
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int x;
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int y;
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int w;
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int h;
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};
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static struct viewport vp_info;
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static bool is_initialized_vp = false;
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#ifdef HAVE_LCD_BITMAP
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static int drawmode = DRMODE_SOLID;
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static int totalsize;
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static bool show_vertical_scrollbar;
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#endif
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static struct screen* display;
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/* layout */
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#ifdef HAVE_LCD_BITMAP
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static struct tv_rect header;
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static struct tv_rect footer;
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static struct tv_rect horizontal_scrollbar;
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static struct tv_rect vertical_scrollbar;
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#else
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static struct tv_rect bookmark;
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#endif
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static struct tv_rect drawarea;
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static int display_columns;
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static int display_rows;
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static int col_width;
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static int row_height;
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#ifdef HAVE_LCD_BITMAP
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void tv_show_header(void)
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{
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unsigned header_mode = header_mode;
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if (preferences->header_mode == HD_PATH || preferences->header_mode == HD_BOTH)
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display->putsxy(header.x, header.y, preferences->file_name);
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}
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void tv_show_footer(const struct tv_screen_pos *pos)
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{
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unsigned char buf[12];
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unsigned footer_mode = preferences->footer_mode;
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if (footer_mode == FT_PAGE || footer_mode == FT_BOTH)
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{
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if (pos->line == 0)
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rb->snprintf(buf, sizeof(buf), "%d", pos->page + 1);
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else
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rb->snprintf(buf, sizeof(buf), "%d - %d", pos->page + 1, pos->page + 2);
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display->putsxy(footer.x, footer.y, buf);
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}
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}
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void tv_init_scrollbar(off_t total, bool show_scrollbar)
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{
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totalsize = total;
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show_vertical_scrollbar = show_scrollbar;
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}
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void tv_show_scrollbar(int window, int col, off_t cur_pos, int size)
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{
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int items;
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int min_shown;
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int max_shown;
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if (preferences->horizontal_scrollbar)
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{
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items = preferences->windows * display_columns;
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min_shown = window * display_columns + col;
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max_shown = min_shown + display_columns;
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rb->gui_scrollbar_draw(display,
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horizontal_scrollbar.x, horizontal_scrollbar.y,
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horizontal_scrollbar.w, TV_SCROLLBAR_HEIGHT,
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items, min_shown, max_shown, HORIZONTAL);
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}
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if (show_vertical_scrollbar)
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{
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items = (int) totalsize;
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min_shown = (int) cur_pos;
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max_shown = min_shown + size;
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rb->gui_scrollbar_draw(display,
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vertical_scrollbar.x, vertical_scrollbar.y,
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TV_SCROLLBAR_WIDTH-1, vertical_scrollbar.h,
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items, min_shown, max_shown, VERTICAL);
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}
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}
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void tv_fillrect(int col, int row, int rows)
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{
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display->fillrect(drawarea.x + col * col_width, drawarea.y + row * row_height,
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drawarea.w - col * col_width, rows * row_height);
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}
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void tv_set_drawmode(int mode)
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{
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rb->lcd_set_drawmode(mode);
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}
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#endif
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void tv_draw_text(int row, const unsigned char *text, int offset)
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{
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int xpos = -offset * col_width;
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int text_width;
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if (row < 0 || row >= display_rows)
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return;
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if (preferences->alignment == AL_RIGHT)
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{
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display->getstringsize(text, &text_width, NULL);
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xpos += ((offset > 0)? drawarea.w * 2 : drawarea.w) - text_width;
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}
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#ifdef HAVE_LCD_BITMAP
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display->putsxy(drawarea.x + xpos, drawarea.y + row * row_height, text);
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#else
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display->puts(drawarea.x + xpos, drawarea.y + row, text);
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#endif
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}
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#ifndef HAVE_LCD_BITMAP
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void tv_put_bookmark_icon(int row)
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{
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display->putchar(bookmark.x, drawarea.y + row, TV_BOOKMARK_ICON);
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}
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#endif
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void tv_init_display(void)
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{
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display = rb->screens[SCREEN_MAIN];
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display->clear_viewport();
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}
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void tv_start_display(void)
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{
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display->set_viewport(&vp_info);
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#ifdef HAVE_LCD_BITMAP
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drawmode = rb->lcd_get_drawmode();
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#endif
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}
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void tv_end_display(void)
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{
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#ifdef HAVE_LCD_BITMAP
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rb->lcd_set_drawmode(drawmode);
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#endif
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display->set_viewport(NULL);
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}
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void tv_clear_display(void)
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{
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display->clear_viewport();
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}
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void tv_update_display(void)
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{
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display->update_viewport();
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}
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#ifdef HAVE_LCD_BITMAP
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void tv_set_layout(int col_w, bool show_scrollbar)
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#else
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void tv_set_layout(int col_w)
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#endif
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{
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#ifdef HAVE_LCD_BITMAP
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int scrollbar_width = (show_scrollbar)? TV_SCROLLBAR_WIDTH : 0;
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int scrollbar_height = (preferences->horizontal_scrollbar)? TV_SCROLLBAR_HEIGHT : 0;
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unsigned header_mode = preferences->header_mode;
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unsigned footer_mode = preferences->footer_mode;
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row_height = preferences->font->height;
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header.x = 0;
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header.y = 0;
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header.w = vp_info.width;
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header.h = (header_mode == HD_PATH || header_mode == HD_BOTH)? row_height : 0;
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footer.x = 0;
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footer.w = vp_info.width;
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footer.h = (footer_mode == FT_PAGE || footer_mode == FT_BOTH)? row_height : 0;
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footer.y = vp_info.height - footer.h;
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drawarea.x = scrollbar_width;
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drawarea.y = header.y + header.h;
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drawarea.w = vp_info.width - scrollbar_width;
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drawarea.h = footer.y - drawarea.y - scrollbar_height;
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horizontal_scrollbar.x = drawarea.x;
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horizontal_scrollbar.y = footer.y - scrollbar_height;
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horizontal_scrollbar.w = drawarea.w;
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horizontal_scrollbar.h = scrollbar_height;
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vertical_scrollbar.x = 0;
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vertical_scrollbar.y = drawarea.y;
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vertical_scrollbar.w = scrollbar_width;
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vertical_scrollbar.h = drawarea.h;
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#else
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row_height = 1;
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bookmark.x = 0;
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bookmark.y = 0;
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bookmark.w = 1;
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bookmark.h = vp_info.height;
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drawarea.x = 1;
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drawarea.y = 0;
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drawarea.w = vp_info.width - 1;
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drawarea.h = vp_info.height;
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#endif
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col_width = col_w;
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display_columns = drawarea.w / col_width;
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display_rows = drawarea.h / row_height;
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}
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void tv_get_drawarea_info(int *width, int *cols, int *rows)
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{
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*width = drawarea.w;
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*cols = display_columns;
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*rows = display_rows;
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}
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void tv_change_viewport(void)
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{
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#ifdef HAVE_LCD_BITMAP
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struct viewport vp;
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bool show_statusbar = (preferences->header_mode == HD_SBAR ||
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preferences->header_mode == HD_BOTH ||
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preferences->footer_mode == FT_SBAR ||
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preferences->footer_mode == FT_BOTH);
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if (is_initialized_vp)
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tv_undo_viewport();
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else
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is_initialized_vp = true;
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rb->viewportmanager_theme_enable(SCREEN_MAIN, show_statusbar, &vp);
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vp_info = vp;
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vp_info.flags &= ~VP_FLAG_ALIGNMENT_MASK;
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#else
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if (!is_initialized_vp)
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{
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rb->viewport_set_defaults(&vp_info, SCREEN_MAIN);
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is_initialized_vp = true;
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}
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#endif
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}
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void tv_undo_viewport(void)
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{
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#ifdef HAVE_LCD_BITMAP
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if (is_initialized_vp)
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rb->viewportmanager_theme_undo(SCREEN_MAIN, false);
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#endif
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}
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