mirror of
https://github.com/VDR4Arch/vdr.git
synced 2023-10-10 13:36:52 +02:00
369 lines
8.1 KiB
C
369 lines
8.1 KiB
C
/*
|
|
* osd.c: Abstract On Screen Display layer
|
|
*
|
|
* See the main source file 'vdr.c' for copyright information and
|
|
* how to reach the author.
|
|
*
|
|
* $Id: osd.c 1.20 2002/01/26 11:09:58 kls Exp $
|
|
*/
|
|
|
|
#include "osd.h"
|
|
#include <string.h>
|
|
#include "i18n.h"
|
|
|
|
// --- cOsdItem --------------------------------------------------------------
|
|
|
|
cOsdItem::cOsdItem(eOSState State)
|
|
{
|
|
text = NULL;
|
|
offset = -1;
|
|
state = State;
|
|
fresh = false;
|
|
userColor = false;
|
|
fgColor = clrWhite;
|
|
bgColor = clrBackground;
|
|
}
|
|
|
|
cOsdItem::cOsdItem(const char *Text, eOSState State)
|
|
{
|
|
text = NULL;
|
|
offset = -1;
|
|
state = State;
|
|
fresh = false;
|
|
userColor = false;
|
|
fgColor = clrWhite;
|
|
bgColor = clrBackground;
|
|
SetText(Text);
|
|
}
|
|
|
|
cOsdItem::~cOsdItem()
|
|
{
|
|
delete text;
|
|
}
|
|
|
|
void cOsdItem::SetText(const char *Text, bool Copy)
|
|
{
|
|
delete text;
|
|
text = Copy ? strdup(Text) : Text;
|
|
}
|
|
|
|
void cOsdItem::SetColor(eDvbColor FgColor, eDvbColor BgColor)
|
|
{
|
|
userColor = true;
|
|
fgColor = FgColor;
|
|
bgColor = BgColor;
|
|
}
|
|
|
|
void cOsdItem::Display(int Offset, eDvbColor FgColor, eDvbColor BgColor)
|
|
{
|
|
if (Offset < 0) {
|
|
FgColor = clrBlack;
|
|
BgColor = clrCyan;
|
|
}
|
|
fresh |= Offset >= 0;
|
|
if (Offset >= 0)
|
|
offset = Offset;
|
|
if (offset >= 0)
|
|
Interface->WriteText(0, offset + 2, text, userColor ? fgColor : FgColor, userColor ? bgColor : BgColor);
|
|
}
|
|
|
|
eOSState cOsdItem::ProcessKey(eKeys Key)
|
|
{
|
|
return Key == kOk ? state : osUnknown;
|
|
}
|
|
|
|
// --- cOsdMenu --------------------------------------------------------------
|
|
|
|
cOsdMenu::cOsdMenu(const char *Title, int c0, int c1, int c2, int c3, int c4)
|
|
{
|
|
hasHotkeys = false;
|
|
visible = false;
|
|
title = NULL;
|
|
SetTitle(Title);
|
|
cols[0] = c0;
|
|
cols[1] = c1;
|
|
cols[2] = c2;
|
|
cols[3] = c3;
|
|
cols[4] = c4;
|
|
first = 0;
|
|
current = marked = -1;
|
|
subMenu = NULL;
|
|
helpRed = helpGreen = helpYellow = helpBlue = NULL;
|
|
status = NULL;
|
|
Interface->Open();
|
|
}
|
|
|
|
cOsdMenu::~cOsdMenu()
|
|
{
|
|
delete title;
|
|
delete subMenu;
|
|
delete status;
|
|
Interface->Clear();
|
|
Interface->Close();
|
|
}
|
|
|
|
void cOsdMenu::SetStatus(const char *s)
|
|
{
|
|
delete status;
|
|
status = s ? strdup(s) : NULL;
|
|
if (visible)
|
|
Interface->Status(status);
|
|
}
|
|
|
|
void cOsdMenu::SetTitle(const char *Title, bool ShowDate)
|
|
{
|
|
delete title;
|
|
if (ShowDate)
|
|
asprintf(&title, "%s\t%s", Title, DayDateTime(time(NULL)));
|
|
else
|
|
title = strdup(Title);
|
|
}
|
|
|
|
void cOsdMenu::SetHelp(const char *Red, const char *Green, const char *Yellow, const char *Blue)
|
|
{
|
|
// strings are NOT copied - must be constants!!!
|
|
helpRed = Red;
|
|
helpGreen = Green;
|
|
helpYellow = Yellow;
|
|
helpBlue = Blue;
|
|
if (visible)
|
|
Interface->Help(helpRed, helpGreen, helpYellow, helpBlue);
|
|
}
|
|
|
|
void cOsdMenu::Del(int Index)
|
|
{
|
|
cList<cOsdItem>::Del(Get(Index));
|
|
if (current == Count())
|
|
current--;
|
|
if (Index == first && first > 0)
|
|
first--;
|
|
}
|
|
|
|
void cOsdMenu::Add(cOsdItem *Item, bool Current)
|
|
{
|
|
cList<cOsdItem>::Add(Item);
|
|
if (Current)
|
|
current = Item->Index();
|
|
}
|
|
|
|
void cOsdMenu::Display(void)
|
|
{
|
|
if (subMenu) {
|
|
subMenu->Display();
|
|
return;
|
|
}
|
|
visible = true;
|
|
Interface->Clear();
|
|
Interface->SetCols(cols);
|
|
Interface->Title(title);
|
|
Interface->Help(helpRed, helpGreen, helpYellow, helpBlue);
|
|
int count = Count();
|
|
if (count > 0) {
|
|
if (current < 0)
|
|
current = 0; // just for safety - there HAS to be a current item!
|
|
int n = 0;
|
|
if (current - first >= MAXOSDITEMS) {
|
|
first = current - MAXOSDITEMS / 2;
|
|
if (first + MAXOSDITEMS > count)
|
|
first = count - MAXOSDITEMS;
|
|
if (first < 0)
|
|
first = 0;
|
|
}
|
|
for (int i = first; i < count; i++) {
|
|
cOsdItem *item = Get(i);
|
|
if (item)
|
|
item->Display(i - first, i == current ? clrBlack : clrWhite, i == current ? clrCyan : clrBackground);
|
|
if (++n == MAXOSDITEMS) //TODO get this from Interface!!!
|
|
break;
|
|
}
|
|
}
|
|
if (!isempty(status))
|
|
Interface->Status(status);
|
|
}
|
|
|
|
void cOsdMenu::SetCurrent(cOsdItem *Item)
|
|
{
|
|
current = Item ? Item->Index() : -1;
|
|
}
|
|
|
|
void cOsdMenu::RefreshCurrent(void)
|
|
{
|
|
cOsdItem *item = Get(current);
|
|
if (item)
|
|
item->Set();
|
|
}
|
|
|
|
void cOsdMenu::DisplayCurrent(bool Current)
|
|
{
|
|
cOsdItem *item = Get(current);
|
|
if (item)
|
|
item->Display(current - first, Current ? clrBlack : clrWhite, Current ? clrCyan : clrBackground);
|
|
}
|
|
|
|
void cOsdMenu::Clear(void)
|
|
{
|
|
first = 0;
|
|
current = marked = -1;
|
|
cList<cOsdItem>::Clear();
|
|
}
|
|
|
|
bool cOsdMenu::SpecialItem(int idx)
|
|
{
|
|
cOsdItem *item = Get(idx);
|
|
return item && item->HasUserColor();
|
|
}
|
|
|
|
void cOsdMenu::CursorUp(void)
|
|
{
|
|
if (current > 0) {
|
|
int tmpCurrent = current;
|
|
while (--tmpCurrent >= 0 && SpecialItem(tmpCurrent));
|
|
if (tmpCurrent < 0)
|
|
return;
|
|
if (tmpCurrent >= first)
|
|
DisplayCurrent(false);
|
|
current = tmpCurrent;
|
|
if (current < first) {
|
|
first = first > MAXOSDITEMS - 1 ? first - (MAXOSDITEMS - 1) : 0;
|
|
if (Setup.MenuScrollPage)
|
|
current = SpecialItem(first) ? first + 1 : first;
|
|
Display();
|
|
}
|
|
else
|
|
DisplayCurrent(true);
|
|
}
|
|
}
|
|
|
|
void cOsdMenu::CursorDown(void)
|
|
{
|
|
int last = Count() - 1;
|
|
int lastOnScreen = first + MAXOSDITEMS - 1;
|
|
|
|
if (current < last) {
|
|
int tmpCurrent = current;
|
|
while (++tmpCurrent <= last && SpecialItem(tmpCurrent));
|
|
if (tmpCurrent > last)
|
|
return;
|
|
if (tmpCurrent <= lastOnScreen)
|
|
DisplayCurrent(false);
|
|
current = tmpCurrent;
|
|
if (current > lastOnScreen) {
|
|
first += MAXOSDITEMS - 1;
|
|
lastOnScreen = first + MAXOSDITEMS - 1;
|
|
if (lastOnScreen > last) {
|
|
first = last - (MAXOSDITEMS - 1);
|
|
lastOnScreen = last;
|
|
}
|
|
if (Setup.MenuScrollPage)
|
|
current = SpecialItem(lastOnScreen) ? lastOnScreen - 1 : lastOnScreen;
|
|
Display();
|
|
}
|
|
else
|
|
DisplayCurrent(true);
|
|
}
|
|
}
|
|
|
|
void cOsdMenu::PageUp(void)
|
|
{
|
|
if (Count() <= MAXOSDITEMS)
|
|
return;
|
|
current -= MAXOSDITEMS;
|
|
first -= MAXOSDITEMS;
|
|
if (first < 0)
|
|
first = current = 0;
|
|
Display();
|
|
DisplayCurrent(true);
|
|
}
|
|
|
|
void cOsdMenu::PageDown(void)
|
|
{
|
|
if (Count() <= MAXOSDITEMS)
|
|
return;
|
|
current += MAXOSDITEMS;
|
|
first += MAXOSDITEMS;
|
|
if (current > Count() - 1) {
|
|
current = Count() - 1;
|
|
first = Count() - 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;
|
|
}
|
|
|