Experimental: save/restore screen for channel list context menu

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-beta@1935 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/gui/channellist.cpp

@@ -335,6 +335,7 @@ int CChannelList::doChannelMenu(void)
 
 	CMenuWidget* menu = new CMenuWidget(LOCALE_CHANNELLIST_EDIT, NEUTRINO_ICON_SETTINGS);
 	menu->enableFade(false);
+	menu->enableSaveScreen(true);
 	CMenuSelectorTarget * selector = new CMenuSelectorTarget(&select);
 
 	snprintf(cnt, sizeof(cnt), "%d", i);
@@ -435,6 +436,9 @@ int CChannelList::doChannelMenu(void)
 			{
 				COsdSetup osd_setup;
 				osd_setup.showContextChanlistMenu();
+				//FIXME check font/options changed ?
+				hide();
+				calcSize();
 			}
 			break;
 		default:
@@ -464,24 +468,9 @@ int CChannelList::exec()
 	return nNewChannel;
 }
 
-#define CHANNEL_SMSKEY_TIMEOUT 800
+void CChannelList::calcSize()
-/* return: >= 0 to zap, -1 on cancel, -3 on list mode change, -4 list edited, -2 zap but no restore old list/chan ?? */
-int CChannelList::show()
 {
-	/* temporary debugging stuff */
-	struct timeval t1, t2;
-	gettimeofday(&t1, NULL);
-
-	neutrino_msg_t      msg;
-	neutrino_msg_data_t data;
-	bool actzap = 0;
-	int res = -1;
 	const int pic_h = 39;
-	if (chanlist.empty()) {
-		return res;
-	}
-
-	this->new_mode_active = 0;
 	int  fw = g_Font[SNeutrinoSettings::FONT_TYPE_INFOBAR_SMALL]->getWidth();
 	width  = w_max (((g_settings.channellist_extended)?(frameBuffer->getScreenWidth() / 20 * (fw+6)):(frameBuffer->getScreenWidth() / 20 * (fw+5))), 100);
 	height = h_max ((frameBuffer->getScreenHeight() / 20 * 16), (frameBuffer->getScreenHeight() / 20 * 2));
@@ -518,6 +507,65 @@ int CChannelList::show()
 
 	x = frameBuffer->getScreenX() + (frameBuffer->getScreenWidth() - width) / 2;
 	y = frameBuffer->getScreenY() + (frameBuffer->getScreenHeight() - (height+ info_height)) / 2;
+}
+
+#define CHANNEL_SMSKEY_TIMEOUT 800
+/* return: >= 0 to zap, -1 on cancel, -3 on list mode change, -4 list edited, -2 zap but no restore old list/chan ?? */
+int CChannelList::show()
+{
+	/* temporary debugging stuff */
+	struct timeval t1, t2;
+	gettimeofday(&t1, NULL);
+
+	neutrino_msg_t      msg;
+	neutrino_msg_data_t data;
+	bool actzap = 0;
+	int res = -1;
+	if (chanlist.empty()) {
+		return res;
+	}
+
+	this->new_mode_active = 0;
+#if 0
+	const int pic_h = 39;
+	int  fw = g_Font[SNeutrinoSettings::FONT_TYPE_INFOBAR_SMALL]->getWidth();
+	width  = w_max (((g_settings.channellist_extended)?(frameBuffer->getScreenWidth() / 20 * (fw+6)):(frameBuffer->getScreenWidth() / 20 * (fw+5))), 100);
+	height = h_max ((frameBuffer->getScreenHeight() / 20 * 16), (frameBuffer->getScreenHeight() / 20 * 2));
+
+	CVFD::getInstance()->setMode(CVFD::MODE_MENU_UTF8, name.c_str());
+
+	/* assuming all color icons must have same size */
+	int icol_w, icol_h;
+	frameBuffer->getIconSize(NEUTRINO_ICON_BUTTON_RED, &icol_w, &icol_h);
+
+	theight = g_Font[SNeutrinoSettings::FONT_TYPE_MENU_TITLE]->getHeight();
+
+	theight = std::max(theight, pic_h);
+
+	frameBuffer->getIconSize(NEUTRINO_ICON_BUTTON_HELP, &icol_w, &icol_h);
+	theight = std::max(theight, icol_h);
+
+	frameBuffer->getIconSize(NEUTRINO_ICON_BUTTON_MENU, &icol_w, &icol_h);
+	theight = std::max(theight, icol_h);
+
+	if(g_settings.channellist_new_zap_mode)
+	{
+		frameBuffer->getIconSize(NEUTRINO_ICON_BUTTON_MUTE_ZAP_ACTIVE, &icol_w, &icol_h);
+		theight = std::max(theight, icol_h);
+	}
+
+	fheight = g_Font[SNeutrinoSettings::FONT_TYPE_CHANNELLIST]->getHeight();
+	if (fheight == 0)
+		fheight = 1; /* avoid crash on invalid font */
+
+	listmaxshow = (height - theight - footerHeight -0)/fheight;
+	height = theight + footerHeight + listmaxshow * fheight;
+	info_height = 2*fheight + g_Font[SNeutrinoSettings::FONT_TYPE_CHANNELLIST_DESCR]->getHeight() + 10;
+
+	x = frameBuffer->getScreenX() + (frameBuffer->getScreenWidth() - width) / 2;
+	y = frameBuffer->getScreenY() + (frameBuffer->getScreenHeight() - (height+ info_height)) / 2;
+#endif
+	calcSize();
 	displayNext = false;
 
 	bool fadeIn = g_settings.widget_fade;

src/gui/channellist.h

@@ -93,6 +93,7 @@ private:
 	void paintButtonBar(bool is_current);
 	void hide();
 	void showChannelLogo();
+	void calcSize();
 
 public:
 	CChannelList(const char * const Name, bool historyMode = false, bool _vlist = false, bool new_mode_active = false );

src/gui/osd_setup.cpp

@@ -664,6 +664,7 @@ int COsdSetup::showContextChanlistMenu()
 	static int cselected = -1;
 
 	CMenuWidget * menu_chanlist = new CMenuWidget(LOCALE_MAINMENU_SETTINGS, NEUTRINO_ICON_SETTINGS, width);
+	menu_chanlist->enableSaveScreen(true);
 	menu_chanlist->setSelected(cselected);
 
 	menu_chanlist->addIntroItems(LOCALE_MISCSETTINGS_CHANNELLIST);
@@ -676,8 +677,9 @@ int COsdSetup::showContextChanlistMenu()
 	/* TODO ? problems:
 	 * 1. channel list not re-calc sizes after menu; 
 	 * 2. font menu smaller and make hole in channel list */
-#if 0
+#if 1
 	CMenuWidget *fontSettingsSubMenu = new CMenuWidget(LOCALE_FONTMENU_HEAD, NEUTRINO_ICON_KEYBINDING);
+	fontSettingsSubMenu->enableSaveScreen(true);
 
 	int i = 1;
 	fontSettingsSubMenu->addIntroItems(font_sizes_groups[i].groupname);

src/gui/widget/menue.cpp

@@ -501,7 +501,7 @@ int CMenuWidget::exec(CMenuTarget* parent, const std::string &)
 			}
 		}
 	}
-	paint();
+	paint(true);
 	int retval = menu_return::RETURN_REPAINT;
 	uint64_t timeoutEnd = CRCInput::calcTimeoutEnd(g_settings.timing[SNeutrinoSettings::TIMING_MENU] == 0 ? 0xFFFF : g_settings.timing[SNeutrinoSettings::TIMING_MENU]);
 		
@@ -743,6 +743,8 @@ int CMenuWidget::exec(CMenuTarget* parent, const std::string &)
 	}
 	while ( msg!=CRCInput::RC_timeout );
 	hide();
+	delete[] background;
+	background = NULL;
 
 	if ( fadeIn || fadeOut ) {
 		g_RCInput->killTimer(fadeTimer);
@@ -889,9 +891,10 @@ void CMenuWidget::calcSize()
 	}
 }
 
-void CMenuWidget::paint()
+void CMenuWidget::paint(bool save)
 {
 	calcSize();
+	if(save)
 		saveScreen();
 
 	CVFD::getInstance()->setMode(CVFD::MODE_MENU_UTF8, nameString.c_str());
@@ -1012,8 +1015,10 @@ void CMenuWidget::restoreScreen()
 	if(background) {
 		if(savescreen)
 			frameBuffer->RestoreScreen(x, y, full_width, full_height, background);
+#if 0
 		delete[] background;
 		background = NULL;
+#endif
 	}
 }
 

src/gui/widget/menue.h

@@ -451,7 +451,7 @@ class CMenuWidget : public CMenuTarget
 		int getItemId(CMenuItem* menuItem);
 		int getItemsCount(){return items.size();};
 		CMenuItem* getItem(const uint& item_id);
-		virtual void paint();
+		virtual void paint(bool save = false);
 		virtual void hide();
 		virtual int exec(CMenuTarget* parent, const std::string & actionKey);
 		virtual std::string getName();