mirror of https://github.com/VDR4Arch/vdr.git
643 lines
14 KiB
C
643 lines
14 KiB
C
/*
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* osd.c: Abstract On Screen Display layer
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: osd.c 1.28 2002/06/10 16:30:00 kls Exp $
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*/
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#include "osd.h"
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#include <string.h>
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#include "device.h"
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#include "i18n.h"
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#include "status.h"
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// --- cOsd ------------------------------------------------------------------
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#ifdef DEBUG_OSD
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WINDOW *cOsd::window = NULL;
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int cOsd::colorPairs[MaxColorPairs] = { 0 };
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#else
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cDvbOsd *cOsd::osd = NULL;
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#endif
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int cOsd::cols = 0;
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int cOsd::rows = 0;
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void cOsd::Initialize(void)
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{
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#if defined(DEBUG_OSD) || defined(REMOTE_KBD)
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initscr();
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keypad(stdscr, true);
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nonl();
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cbreak();
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noecho();
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timeout(10);
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#endif
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#if defined(DEBUG_OSD)
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start_color();
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leaveok(stdscr, true);
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#endif
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}
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void cOsd::Shutdown(void)
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{
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Close();
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#if defined(DEBUG_OSD) || defined(REMOTE_KBD)
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endwin();
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#endif
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}
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#ifdef DEBUG_OSD
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void cOsd::SetColor(eDvbColor colorFg, eDvbColor colorBg)
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{
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int color = (colorBg << 16) | colorFg | 0x80000000;
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for (int i = 0; i < MaxColorPairs; i++) {
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if (!colorPairs[i]) {
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colorPairs[i] = color;
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init_pair(i + 1, colorFg, colorBg);
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wattrset(window, COLOR_PAIR(i + 1));
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break;
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}
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else if (color == colorPairs[i]) {
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wattrset(window, COLOR_PAIR(i + 1));
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break;
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}
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}
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}
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#endif
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void cOsd::Open(int w, int h)
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{
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int d = (h < 0) ? Setup.OSDheight + h : 0;
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h = abs(h);
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cols = w;
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rows = h;
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#ifdef DEBUG_OSD
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window = subwin(stdscr, h, w, d, (Setup.OSDwidth - w) / 2);
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syncok(window, true);
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#define B2C(b) (((b) * 1000) / 255)
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#define SETCOLOR(n, r, g, b, o) init_color(n, B2C(r), B2C(g), B2C(b))
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//XXX
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SETCOLOR(clrBackground, 0x00, 0x00, 0x00, 127); // background 50% gray
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SETCOLOR(clrBlack, 0x00, 0x00, 0x00, 255);
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SETCOLOR(clrRed, 0xFC, 0x14, 0x14, 255);
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SETCOLOR(clrGreen, 0x24, 0xFC, 0x24, 255);
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SETCOLOR(clrYellow, 0xFC, 0xC0, 0x24, 255);
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SETCOLOR(clrBlue, 0x00, 0x00, 0xFC, 255);
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SETCOLOR(clrCyan, 0x00, 0xFC, 0xFC, 255);
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SETCOLOR(clrMagenta, 0xB0, 0x00, 0xFC, 255);
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SETCOLOR(clrWhite, 0xFC, 0xFC, 0xFC, 255);
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#else
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w *= charWidth;
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h *= lineHeight;
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d *= lineHeight;
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int x = (720 - w + charWidth) / 2; //TODO PAL vs. NTSC???
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int y = (576 - Setup.OSDheight * lineHeight) / 2 + d;
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//XXX
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osd = new cDvbOsd(cDevice::PrimaryDevice()->OsdDeviceHandle(), x, y);
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//XXX TODO this should be transferred to the places where the individual windows are requested (there's too much detailed knowledge here!)
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if (h / lineHeight == 5) { //XXX channel display
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osd->Create(0, 0, w, h, 4);
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}
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else if (h / lineHeight == 1) { //XXX info display
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osd->Create(0, 0, w, h, 4);
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}
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else if (d == 0) { //XXX full menu
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osd->Create(0, 0, w, lineHeight, 2);
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osd->Create(0, lineHeight, w, (Setup.OSDheight - 3) * lineHeight, 2);
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osd->AddColor(clrBackground);
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osd->AddColor(clrCyan);
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osd->AddColor(clrWhite);
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osd->AddColor(clrBlack);
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osd->Create(0, (Setup.OSDheight - 2) * lineHeight, w, 2 * lineHeight, 4);
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}
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else { //XXX progress display
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/*XXX
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osd->Create(0, 0, w, lineHeight, 1);
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osd->Create(0, lineHeight, w, lineHeight, 2, false);
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osd->Create(0, 2 * lineHeight, w, lineHeight, 1);
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XXX*///XXX some pixels are not drawn correctly with lower bpp values
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osd->Create(0, 0, w, 3*lineHeight, 4);
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}
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#endif
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}
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void cOsd::Close(void)
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{
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#ifdef DEBUG_OSD
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if (window) {
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delwin(window);
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window = 0;
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}
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#else
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delete osd;
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osd = NULL;
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#endif
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}
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void cOsd::Clear(void)
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{
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#ifdef DEBUG_OSD
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SetColor(clrBackground, clrBackground);
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Fill(0, 0, cols, rows, clrBackground);
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#else
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osd->Clear();
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#endif
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}
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void cOsd::Fill(int x, int y, int w, int h, eDvbColor color)
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{
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if (x < 0) x = cols + x;
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if (y < 0) y = rows + y;
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#ifdef DEBUG_OSD
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SetColor(color, color);
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for (int r = 0; r < h; r++) {
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wmove(window, y + r, x); // ncurses wants 'y' before 'x'!
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whline(window, ' ', w);
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}
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wsyncup(window); // shouldn't be necessary because of 'syncok()', but w/o it doesn't work
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#else
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osd->Fill(x * charWidth, y * lineHeight, (x + w) * charWidth - 1, (y + h) * lineHeight - 1, color);
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#endif
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}
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void cOsd::SetBitmap(int x, int y, const cBitmap &Bitmap)
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{
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#ifndef DEBUG_OSD
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osd->SetBitmap(x, y, Bitmap);
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#endif
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}
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void cOsd::ClrEol(int x, int y, eDvbColor color)
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{
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Fill(x, y, cols - x, 1, color);
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}
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int cOsd::CellWidth(void)
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{
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#ifdef DEBUG_OSD
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return 1;
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#else
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return charWidth;
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#endif
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}
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int cOsd::LineHeight(void)
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{
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#ifdef DEBUG_OSD
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return 1;
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#else
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return lineHeight;
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#endif
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}
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int cOsd::Width(unsigned char c)
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{
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#ifdef DEBUG_OSD
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return 1;
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#else
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return osd->Width(c);
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#endif
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}
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int cOsd::WidthInCells(const char *s)
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{
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#ifdef DEBUG_OSD
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return strlen(s);
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#else
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return (osd->Width(s) + charWidth - 1) / charWidth;
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#endif
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}
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eDvbFont cOsd::SetFont(eDvbFont Font)
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{
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#ifdef DEBUG_OSD
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return Font;
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#else
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return osd->SetFont(Font);
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#endif
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}
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void cOsd::Text(int x, int y, const char *s, eDvbColor colorFg, eDvbColor colorBg)
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{
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if (x < 0) x = cols + x;
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if (y < 0) y = rows + y;
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#ifdef DEBUG_OSD
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SetColor(colorFg, colorBg);
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wmove(window, y, x); // ncurses wants 'y' before 'x'!
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waddnstr(window, s, cols - x);
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#else
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osd->Text(x * charWidth, y * lineHeight, s, colorFg, colorBg);
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#endif
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}
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void cOsd::Flush(void)
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{
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#ifdef DEBUG_OSD
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refresh();
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#else
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if (osd)
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osd->Flush();
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#endif
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}
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// --- cOsdItem --------------------------------------------------------------
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cOsdItem::cOsdItem(eOSState State)
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{
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text = NULL;
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offset = -1;
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state = State;
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fresh = false;
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userColor = false;
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fgColor = clrWhite;
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bgColor = clrBackground;
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}
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cOsdItem::cOsdItem(const char *Text, eOSState State)
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{
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text = NULL;
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offset = -1;
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state = State;
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fresh = false;
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userColor = false;
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fgColor = clrWhite;
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bgColor = clrBackground;
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SetText(Text);
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}
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cOsdItem::~cOsdItem()
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{
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delete text;
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}
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void cOsdItem::SetText(const char *Text, bool Copy)
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{
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delete text;
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text = Copy ? strdup(Text) : Text;
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}
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void cOsdItem::SetColor(eDvbColor FgColor, eDvbColor BgColor)
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{
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userColor = true;
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fgColor = FgColor;
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bgColor = BgColor;
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}
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void cOsdItem::Display(int Offset, eDvbColor FgColor, eDvbColor BgColor)
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{
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if (Offset < 0) {
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FgColor = clrBlack;
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BgColor = clrCyan;
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}
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fresh |= Offset >= 0;
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if (Offset >= 0)
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offset = Offset;
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if (offset >= 0)
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Interface->WriteText(0, offset + 2, text, userColor ? fgColor : FgColor, userColor ? bgColor : BgColor);
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}
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eOSState cOsdItem::ProcessKey(eKeys Key)
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{
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return Key == kOk ? state : osUnknown;
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}
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// --- cOsdMenu --------------------------------------------------------------
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cOsdMenu::cOsdMenu(const char *Title, int c0, int c1, int c2, int c3, int c4)
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{
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digit = 0;
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hasHotkeys = false;
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visible = false;
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title = NULL;
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SetTitle(Title);
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cols[0] = c0;
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cols[1] = c1;
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cols[2] = c2;
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cols[3] = c3;
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cols[4] = c4;
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first = 0;
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current = marked = -1;
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subMenu = NULL;
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helpRed = helpGreen = helpYellow = helpBlue = NULL;
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status = NULL;
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Interface->Open();
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}
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cOsdMenu::~cOsdMenu()
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{
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delete title;
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delete subMenu;
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delete status;
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Interface->Clear();
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Interface->Close();
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}
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const char *cOsdMenu::hk(const char *s)
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{
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static char buffer[64];
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if (s && hasHotkeys) {
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if (digit == 0 && '1' <= *s && *s <= '9' && *(s + 1) == ' ')
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digit = -1; // prevents automatic hotkeys - input already has them
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if (digit >= 0) {
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digit++;
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snprintf(buffer, sizeof(buffer), " %c %s", (digit < 10) ? '0' + digit : ' ' , s);
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s = buffer;
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}
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}
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return s;
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}
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void cOsdMenu::SetHasHotkeys(void)
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{
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hasHotkeys = true;
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digit = 0;
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}
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void cOsdMenu::SetStatus(const char *s)
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{
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delete status;
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status = s ? strdup(s) : NULL;
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if (visible)
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Interface->Status(status);
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}
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void cOsdMenu::SetTitle(const char *Title, bool ShowDate)
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{
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delete title;
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if (ShowDate)
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asprintf(&title, "%s\t%s", Title, DayDateTime(time(NULL)));
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else
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title = strdup(Title);
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}
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void cOsdMenu::SetHelp(const char *Red, const char *Green, const char *Yellow, const char *Blue)
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{
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// strings are NOT copied - must be constants!!!
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helpRed = Red;
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helpGreen = Green;
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helpYellow = Yellow;
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helpBlue = Blue;
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if (visible)
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Interface->Help(helpRed, helpGreen, helpYellow, helpBlue);
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}
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void cOsdMenu::Del(int Index)
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{
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cList<cOsdItem>::Del(Get(Index));
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if (current == Count())
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current--;
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if (Index == first && first > 0)
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first--;
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}
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void cOsdMenu::Add(cOsdItem *Item, bool Current, cOsdItem *After)
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{
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cList<cOsdItem>::Add(Item, After);
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if (Current)
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current = Item->Index();
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}
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void cOsdMenu::Ins(cOsdItem *Item, bool Current, cOsdItem *Before)
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{
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cList<cOsdItem>::Ins(Item, Before);
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if (Current)
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current = Item->Index();
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}
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void cOsdMenu::Display(void)
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{
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if (subMenu) {
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subMenu->Display();
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return;
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}
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visible = true;
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Interface->Clear();
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Interface->SetCols(cols);
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Interface->Title(title);
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Interface->Help(helpRed, helpGreen, helpYellow, helpBlue);
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int count = Count();
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if (count > 0) {
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if (current < 0)
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current = 0; // just for safety - there HAS to be a current item!
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int n = 0;
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if (current - first >= MAXOSDITEMS) {
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first = current - MAXOSDITEMS / 2;
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if (first + MAXOSDITEMS > count)
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first = count - MAXOSDITEMS;
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if (first < 0)
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first = 0;
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}
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for (int i = first; i < count; i++) {
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cOsdItem *item = Get(i);
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if (item) {
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item->Display(i - first, i == current ? clrBlack : clrWhite, i == current ? clrCyan : clrBackground);
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if (i == current)
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cStatusMonitor::MsgOsdCurrentItem(item->Text());
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}
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if (++n == MAXOSDITEMS) //TODO get this from Interface!!!
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break;
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}
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}
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if (!isempty(status))
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Interface->Status(status);
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}
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void cOsdMenu::SetCurrent(cOsdItem *Item)
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{
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current = Item ? Item->Index() : -1;
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}
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void cOsdMenu::RefreshCurrent(void)
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{
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cOsdItem *item = Get(current);
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if (item)
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item->Set();
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}
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void cOsdMenu::DisplayCurrent(bool Current)
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{
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cOsdItem *item = Get(current);
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if (item) {
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item->Display(current - first, Current ? clrBlack : clrWhite, Current ? clrCyan : clrBackground);
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if (Current)
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cStatusMonitor::MsgOsdCurrentItem(item->Text());
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}
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}
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void cOsdMenu::Clear(void)
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{
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first = 0;
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current = marked = -1;
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cList<cOsdItem>::Clear();
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}
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bool cOsdMenu::SpecialItem(int idx)
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{
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cOsdItem *item = Get(idx);
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return item && item->HasUserColor();
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}
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void cOsdMenu::CursorUp(void)
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{
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if (current > 0) {
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int tmpCurrent = current;
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while (--tmpCurrent >= 0 && SpecialItem(tmpCurrent));
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if (tmpCurrent < 0)
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return;
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if (tmpCurrent >= first)
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DisplayCurrent(false);
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current = tmpCurrent;
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if (current < first) {
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first = first > MAXOSDITEMS - 1 ? first - (MAXOSDITEMS - 1) : 0;
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if (Setup.MenuScrollPage)
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current = SpecialItem(first) ? first + 1 : first;
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Display();
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}
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else
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DisplayCurrent(true);
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}
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}
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void cOsdMenu::CursorDown(void)
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{
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int last = Count() - 1;
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int lastOnScreen = first + MAXOSDITEMS - 1;
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if (current < last) {
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int tmpCurrent = current;
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while (++tmpCurrent <= last && SpecialItem(tmpCurrent));
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if (tmpCurrent > last)
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return;
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if (tmpCurrent <= lastOnScreen)
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DisplayCurrent(false);
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current = tmpCurrent;
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if (current > lastOnScreen) {
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first += MAXOSDITEMS - 1;
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lastOnScreen = first + MAXOSDITEMS - 1;
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if (lastOnScreen > last) {
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first = last - (MAXOSDITEMS - 1);
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lastOnScreen = last;
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}
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if (Setup.MenuScrollPage)
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current = SpecialItem(lastOnScreen) ? lastOnScreen - 1 : lastOnScreen;
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Display();
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}
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else
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DisplayCurrent(true);
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}
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}
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void cOsdMenu::PageUp(void)
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{
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if (Count() <= MAXOSDITEMS)
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return;
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current -= MAXOSDITEMS;
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first -= MAXOSDITEMS;
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if (first < 0)
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first = current = 0;
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if (SpecialItem(current)) {
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current -= (current > 0) ? 1 : -1;
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first = min(first, current - 1);
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}
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Display();
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DisplayCurrent(true);
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}
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void cOsdMenu::PageDown(void)
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{
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if (Count() <= MAXOSDITEMS)
|
|
return;
|
|
current += MAXOSDITEMS;
|
|
first += MAXOSDITEMS;
|
|
if (current > Count() - 1) {
|
|
current = Count() - 1;
|
|
first = Count() - MAXOSDITEMS;
|
|
}
|
|
if (SpecialItem(current)) {
|
|
current += (current < Count() - 1) ? 1 : -1;
|
|
first = max(first, current - MAXOSDITEMS);
|
|
}
|
|
Display();
|
|
DisplayCurrent(true);
|
|
}
|
|
|
|
void cOsdMenu::Mark(void)
|
|
{
|
|
if (Count() && marked < 0) {
|
|
marked = current;
|
|
SetStatus(tr("Up/Dn for new location - OK to move"));
|
|
}
|
|
}
|
|
|
|
eOSState cOsdMenu::HotKey(eKeys Key)
|
|
{
|
|
for (cOsdItem *item = First(); item; item = Next(item)) {
|
|
const char *s = item->Text();
|
|
if (s && (s = skipspace(s)) != NULL) {
|
|
if (*s == Key - k1 + '1') {
|
|
current = item->Index();
|
|
return ProcessKey(kOk);
|
|
}
|
|
}
|
|
}
|
|
return osContinue;
|
|
}
|
|
|
|
eOSState cOsdMenu::AddSubMenu(cOsdMenu *SubMenu)
|
|
{
|
|
delete subMenu;
|
|
subMenu = SubMenu;
|
|
subMenu->Display();
|
|
return osContinue; // convenience return value (see cMenuMain)
|
|
}
|
|
|
|
eOSState cOsdMenu::ProcessKey(eKeys Key)
|
|
{
|
|
if (subMenu) {
|
|
eOSState state = subMenu->ProcessKey(Key);
|
|
if (state == osBack) {
|
|
delete subMenu;
|
|
subMenu = NULL;
|
|
RefreshCurrent();
|
|
Display();
|
|
state = osContinue;
|
|
}
|
|
return state;
|
|
}
|
|
|
|
cOsdItem *item = Get(current);
|
|
if (marked < 0 && item) {
|
|
eOSState state = item->ProcessKey(Key);
|
|
if (state != osUnknown)
|
|
return state;
|
|
}
|
|
switch (Key) {
|
|
case k1...k9: if (hasHotkeys)
|
|
return HotKey(Key);
|
|
break;
|
|
case kUp|k_Repeat:
|
|
case kUp: CursorUp(); break;
|
|
case kDown|k_Repeat:
|
|
case kDown: CursorDown(); break;
|
|
case kLeft|k_Repeat:
|
|
case kLeft: PageUp(); break;
|
|
case kRight|k_Repeat:
|
|
case kRight: PageDown(); break;
|
|
case kBack: return osBack;
|
|
case kOk: if (marked >= 0) {
|
|
SetStatus(NULL);
|
|
if (marked != current)
|
|
Move(marked, current);
|
|
marked = -1;
|
|
break;
|
|
}
|
|
// else run into default
|
|
default: if (marked < 0)
|
|
return osUnknown;
|
|
}
|
|
return osContinue;
|
|
}
|
|
|