From 64a557145108234ab43b87f3d145b7749d78f9f5 Mon Sep 17 00:00:00 2001
From: Edouard Dupin <yui.heero@gmail.com>
Date: Fri, 10 Feb 2012 18:23:34 +0100
Subject: [PATCH] add scrolling on the list

---
 Sources/libewol/ewol/widget/Button.cpp        |  4 ++-
 Sources/libewol/ewol/widget/List.cpp          | 29 +++++++++++++++++--
 Sources/libewol/ewol/widget/List.h            |  4 +--
 .../libewol/ewol/widget/WidgetScrolled.cpp    |  1 -
 avancement.boo                                |  7 +++++
 5 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/Sources/libewol/ewol/widget/Button.cpp b/Sources/libewol/ewol/widget/Button.cpp
index 85b8ea57..60eb7074 100644
--- a/Sources/libewol/ewol/widget/Button.cpp
+++ b/Sources/libewol/ewol/widget/Button.cpp
@@ -158,7 +158,9 @@ bool ewol::Button::OnEventInput(int32_t IdInput, eventInputType_te typeEvent, et
 {
 	//EWOL_DEBUG("Event on BT ...");
 	if (1 == IdInput) {
-		if (ewol::EVENT_INPUT_TYPE_SINGLE == typeEvent) {
+		if(    ewol::EVENT_INPUT_TYPE_SINGLE == typeEvent
+		    || ewol::EVENT_INPUT_TYPE_DOUBLE == typeEvent
+		    || ewol::EVENT_INPUT_TYPE_TRIPLE == typeEvent) {
 			// nothing to do ...
 			GenEventInputExternal(ewolEventButtonPressed, x, y);
 			MarkToReedraw();
diff --git a/Sources/libewol/ewol/widget/List.cpp b/Sources/libewol/ewol/widget/List.cpp
index d91364d5..c38726c0 100644
--- a/Sources/libewol/ewol/widget/List.cpp
+++ b/Sources/libewol/ewol/widget/List.cpp
@@ -70,6 +70,7 @@ bool ewol::List::CalculateMinSize(void)
 void ewol::List::OnRegenerateDisplay(void)
 {
 	if (true == NeedRedraw()) {
+		
 		// clean the object list ...
 		ClearOObjectList();
 		//EWOL_DEBUG("OnRegenerateDisplay(" << m_size.x << "," << m_size.y << ")");
@@ -94,6 +95,11 @@ void ewol::List::OnRegenerateDisplay(void)
 	
 		//uint32_t nbColomn = GetNuberOfColomn();
 		uint32_t nbRaw    = GetNuberOfRaw();
+		// For the scrooling windows
+		m_maxSize.x = m_size.x;
+		m_maxSize.y = minHeight * nbRaw;
+		
+		
 		etk::VectorType<int32_t> listSizeColomn;
 		
 		ewol::OObject2DColored * BGOObjects = new ewol::OObject2DColored();
@@ -103,8 +109,13 @@ void ewol::List::OnRegenerateDisplay(void)
 		
 		uint32_t displayableRaw = m_size.y / (minHeight + 2*m_paddingSizeY);
 		
+		int32_t startRaw = m_originScrooled.y / minHeight - 1;
+		if (startRaw<0) {
+			startRaw = 0;
+		}
 		// We display only compleate lines ...
-		for(uint32_t iii=0; iii<nbRaw && iii<displayableRaw; iii++) {
+		EWOL_DEBUG("Request drawing list : " << startRaw << "-->" << (startRaw+displayableRaw) << " in " << nbRaw << "raws");
+		for(uint32_t iii=startRaw; iii<nbRaw && iii<(startRaw+displayableRaw); iii++) {
 			etk::String myTextToWrite;
 			color_ts fg;
 			color_ts bg;
@@ -123,17 +134,29 @@ void ewol::List::OnRegenerateDisplay(void)
 		//tmpText->Text(tmpOriginX, tmpOriginY, "jhgjhg");
 	
 		//AddOObject(tmpText, "ListText");
+		
+		// call the herited class...
+		WidgetScrooled::OnRegenerateDisplay();
 	}
 }
 
 
 bool ewol::List::OnEventInput(int32_t IdInput, eventInputType_te typeEvent, etkFloat_t x, etkFloat_t y)
 {
+	if (true == WidgetScrooled::OnEventInput(IdInput, typeEvent, x, y)) {
+		ewol::widgetManager::FocusKeep(this);
+		// nothing to do ... done on upper widet ...
+		return true;
+	}
 	int32_t fontId = GetDefaultFontId();
 	//int32_t minWidth = ewol::GetWidth(fontId, m_label.c_str());
 	int32_t minHeight = ewol::GetHeight(fontId);
-
-	int32_t rawID = (y - m_origin.y) / (minHeight + 2*m_paddingSizeY);
+	
+	int32_t startRaw = m_originScrooled.y / minHeight - 1;
+	if (startRaw<0) {
+		startRaw = 0;
+	}
+	int32_t rawID = (y - m_origin.y) / (minHeight + 2*m_paddingSizeY) + startRaw;
 	//EWOL_DEBUG("OnEventInput(" << IdInput << "," << typeEvent << ","  << 0 << "," << rawID << "," << x <<"," << y << ");");
 	bool isUsed = OnItemEvent(IdInput, typeEvent, 0, rawID, x, y);
 	if (true == isUsed) {
diff --git a/Sources/libewol/ewol/widget/List.h b/Sources/libewol/ewol/widget/List.h
index e7d58797..71b5c252 100644
--- a/Sources/libewol/ewol/widget/List.h
+++ b/Sources/libewol/ewol/widget/List.h
@@ -27,10 +27,10 @@
 
 #include <etk/Types.h>
 #include <ewol/Debug.h>
-#include <ewol/Widget.h>
+#include <ewol/widget/WidgetScrolled.h>
 
 namespace ewol {
-	class List :public ewol::Widget
+	class List :public ewol::WidgetScrooled
 	{
 		public:
 			List(void);
diff --git a/Sources/libewol/ewol/widget/WidgetScrolled.cpp b/Sources/libewol/ewol/widget/WidgetScrolled.cpp
index 4628c11e..31c4c383 100644
--- a/Sources/libewol/ewol/widget/WidgetScrolled.cpp
+++ b/Sources/libewol/ewol/widget/WidgetScrolled.cpp
@@ -55,7 +55,6 @@ void ewol::WidgetScrooled::OnRegenerateDisplay(void)
 
 bool ewol::WidgetScrooled::OnEventInput(int32_t IdInput, ewol::eventInputType_te typeEvent, etkFloat_t x, etkFloat_t y)
 {
-	
 	if (4 == IdInput && ewol::EVENT_INPUT_TYPE_UP == typeEvent) {
 		EWOL_INFO("mouse-event GDK_SCROLL_UP");
 		m_originScrooled.y -= m_pixelScrolling;
diff --git a/avancement.boo b/avancement.boo
index 09480a6b..01534a9c 100644
--- a/avancement.boo
+++ b/avancement.boo
@@ -1,5 +1,12 @@
 Welcome in the developement file TODO list ...
 
+Basic feature : 
+	- Clipboard management
+	- Shortcut
+	- Exit confirmation (or event of  exit request)
+	- Charset normaliqation
+
+
 List of feature needed for v1.0
 	# widget list : 
 		- Button Toogle