CComponentsForm: add some usefull slots/signal to help paint backgrounds

Requried to paint form items only on changed contents and on repaint

src/gui/components/cc_frm.cpp

@@ -335,7 +335,7 @@ void CComponentsForm::exchangeCCItem(CComponentsItem* item_a, CComponentsItem* i
 void CComponentsForm::paintForm(bool do_save_bg)
 {
 	//paint body
-	if (!is_painted)
+	if (!is_painted || force_paint_bg)
 		paintInit(do_save_bg);
 
 	//paint
@@ -520,23 +520,7 @@ void CComponentsForm::paintCCItems()
 		cc_item->allowPaint(item_visible);
 	}
 }
-#if 0
-void CComponentsForm::hide()
-{
-	// hack: ensure hiding of minitv during hide of forms and inherited classes,
-	// because the handling of minitv items are different to other item types
-	// and need an explizit call of hide()
-	for(size_t i=0; i<v_cc_items.size(); i++) {
-		if (v_cc_items[i]->getItemType() == CC_ITEMTYPE_PIP){
-			v_cc_items[i]->kill();
-			break;
-		}
-	}
 
-	//hide body
-	CComponents::hide();
-}
-#endif
 //erase or paint over rendered objects
 void CComponentsForm::killCCItems(const fb_pixel_t& bg_color, bool ignore_parent)
 {
@@ -693,3 +677,21 @@ bool CComponentsForm::enableColBodyGradient(const int& enable_mode, const fb_pix
 	}
 	return false;
 }
+
+void CComponentsForm::forceItemsPaint(bool force)
+{
+	dprintf(DEBUG_NORMAL, "\033[33m[CComponentsForm]    [%s - %d] try to detect items [%u] with possible required background repaint \033[0m\n", __func__, __LINE__, v_cc_items.size());
+	for (size_t i = 0; i < v_cc_items.size(); i++){
+		dprintf(DEBUG_NORMAL, "\033[33m[CComponentsForm]    [%s - %d] found item type = [%d] \033[0m\n", __func__, __LINE__, v_cc_items[i]->getItemType());
+		if (v_cc_items[i]->getItemType() == CC_ITEMTYPE_TEXT){
+			CComponentsText* text = static_cast <CComponentsText*>(v_cc_items[i]);
+			text->forceTextPaint(force);
+			dprintf(DEBUG_NORMAL, "\033[33m[CComponentsForm]    [%s - %d] force repaint of item type CC_ITEMTYPE_TEXT [%u] content [%s]\033[0m\n", __func__, __LINE__, i, text->getText().c_str());
+		}
+		if (v_cc_items[i]->getItemType() == CC_ITEMTYPE_LABEL){
+			CComponentsLabel* label = static_cast <CComponentsLabel*>(v_cc_items[i]);
+			label ->forceTextPaint(force);
+			dprintf(DEBUG_NORMAL, "\033[33m[CComponentsForm]    [%s - %d] force repaint of item type CC_ITEMTYPE_LABEL [%u] content [%s]\033[0m\n", __func__, __LINE__, i, label->getText().c_str());
+		}
+	}
+}

src/gui/components/cc_frm.h

@@ -65,6 +65,11 @@ class CComponentsForm : public CComponentsItem
 					const fb_pixel_t& color_body,
 					const fb_pixel_t& color_shadow);
 
+		///force repaint of all possible text items
+		void forceItemsPaint(bool force);
+		///slot for background paint event, reserved for forceItemsPaint()
+		sigc::slot0<void> sl_repaint;
+
 	public:
 		CComponentsForm(	const int x_pos = 0, const int y_pos = 0, const int w = 800, const int h = 600,
 					CComponentsForm *parent = NULL,

src/gui/components/cc_frm_clock.cpp

@@ -101,7 +101,7 @@ CComponentsFrmClock::CComponentsFrmClock( 	const int& x_pos,
 	cl_sl_show = sigc::mem_fun0(*this, &CComponentsFrmClock::ShowTime);
 
 	//init slot to ensure paint segments after painted background
-	cl_sl_repaint = sigc::bind<0>(sigc::mem_fun1(*this, &CComponentsFrmClock::forceSegemnentsPaint), true);
+	sl_repaint = sigc::bind<0>(sigc::mem_fun1(*this, &CComponentsFrmClock::forceItemsPaint), true);
 
 	//run clock already if required
 	if (activ)
@@ -301,10 +301,10 @@ void CComponentsFrmClock::initCCLockItems()
 		v_cc_items[i]->setPos(x_lbl, y_lbl);
 	}
 
+	if(!OnAfterPaintBg.empty())
+		OnAfterPaintBg.clear();
 	//init slot to handle repaint of segments if background was repainted
-	OnAfterPaintBg.clear();
-	if (paint_bg)
-		OnAfterPaintBg.connect(cl_sl_repaint);
+	OnAfterPaintBg.connect(sl_repaint);
 }
 
 
@@ -330,6 +330,7 @@ bool CComponentsFrmClock::startClock()
 		if (cl_timer->OnTimer.empty()){
 			dprintf(DEBUG_INFO,"\033[33m[CComponentsFrmClock]\t[%s] init slot...\033[0m\n", __func__);
 			cl_timer->OnTimer.connect(cl_sl_show);
+			force_paint_bg = true;
 		}
 	}
 	cl_timer->setTimerInterval(cl_interval);
@@ -381,8 +382,12 @@ void CComponentsFrmClock::paint(bool do_save_bg)
 	//prepare items before paint
 	initCCLockItems();
 
+	if (!is_painted)
+		force_paint_bg = false;
+
 	//paint form contents
 	CComponentsForm::paint(do_save_bg);
+
 }
 
 void CComponentsFrmClock::setClockFont(Font *font, const int& style)
@@ -455,9 +460,3 @@ bool CComponentsFrmClock::enableColBodyGradient(const int& enable_mode, const fb
 	}
 	return false;
 }
-
-void CComponentsFrmClock::forceSegemnentsPaint(bool force)
-{
-	for (size_t i = 0; i < v_cc_items.size(); i++)
-		static_cast <CComponentsLabel*>(v_cc_items[i])->forceTextPaint(force);
-}

src/gui/components/cc_frm_clock.h

@@ -54,9 +54,6 @@ class CComponentsFrmClock : public CComponentsForm, public CCTextScreen
 		///slot for timer event, reserved for ShowTime()
 		sigc::slot0<void> cl_sl_show;
 
-		///slot for background paint event, reserved for initCCLockItems()
-		sigc::slot0<void> cl_sl_repaint;
-
 		///refresh interval in seconds
 		int cl_interval;
 
@@ -93,8 +90,6 @@ class CComponentsFrmClock : public CComponentsForm, public CCTextScreen
 		void toggleFormat();
 		///init internal font
 		void initClockFont(int dx, int dy);
-		///force repaint of all segments
-		void forceSegemnentsPaint(bool force);
 
 	public:
 

src/gui/components/cc_frm_header.cpp

@@ -30,6 +30,9 @@
 #include <neutrino.h>
 #include "cc_frm_header.h"
 #include <system/debug.h>
+
+#include <sigc++/bind.h>
+
 using namespace std;
 
 //-------------------------------------------------------------------------------------------------------
@@ -133,6 +136,9 @@ void CComponentsHeader::initVarHeader(	const int& x_pos, const int& y_pos, const
 	cch_cl_sec_format 	= cch_cl_format;
 	cch_cl_enable_run	= false;
 
+	//init slot to ensure paint segments after painted background
+	sl_repaint = sigc::bind<0>(sigc::mem_fun1(*this, &CComponentsHeader::forceItemsPaint), true);
+
 	addContextButton(buttons);
 	initCCItems();
 	initParent(parent);
@@ -517,6 +523,11 @@ void CComponentsHeader::initCaption()
 		*/
 		//height = max(height, cch_text_obj->getHeight());
 	}
+
+	if(!OnAfterPaintBg.empty())
+		OnAfterPaintBg.clear();
+	//init slot to handle repaint of text if background was repainted
+	OnAfterPaintBg.connect(sl_repaint);
 }
 
 void CComponentsHeader::initCCItems()
@@ -539,12 +550,12 @@ void CComponentsHeader::initCCItems()
 	//init text
 	initCaption();
 }
-	
+
 void CComponentsHeader::paint(bool do_save_bg)
 {
 	//prepare items
 	initCCItems();
-	
+
 	//paint form contents
 	CComponentsForm::paint(do_save_bg);