From 699a1497a4eb432f41d643a18f2ac6ba10a66518 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sun, 8 Nov 2009 18:21:17 +0100
Subject: Worked on graphics mode selection, in prevision for having VESA
 grpahics

---
 Source/Kernel/Devices/Display/Display.proto.h      | 15 +++++++++++----
 .../Kernel/Devices/Display/VGATextOutput.class.cpp | 22 ++++++++++++++++++----
 .../Kernel/Devices/Display/VGATextOutput.class.h   |  3 +++
 3 files changed, 32 insertions(+), 8 deletions(-)

(limited to 'Source/Kernel/Devices/Display')

diff --git a/Source/Kernel/Devices/Display/Display.proto.h b/Source/Kernel/Devices/Display/Display.proto.h
index 2cec616..e1775bd 100644
--- a/Source/Kernel/Devices/Display/Display.proto.h
+++ b/Source/Kernel/Devices/Display/Display.proto.h
@@ -5,14 +5,21 @@
 #include <Devices/Device.proto.h>
 #include <WChar.class.h>
 
+namespace Disp { struct mode_t; }
+
 class Display : public Device {
 	public:
 	virtual ~Display() {}
-	virtual u16int textCols() = 0;
-	virtual u16int textRows() = 0;
-	virtual void putChar(u16int line, u16int col, WChar c, u8int color) = 0;	//Color : <bg 4byte><fg 4byte>
-	virtual void moveCursor(u16int line, u16int col) = 0;
+
+	virtual void getModes(Vector<Disp::mode_t> &to) = 0;
+	virtual bool setMode(Disp::mode_t& mode) = 0;
 	virtual void clear() = 0;
+
+	//Text functions
+	virtual void putChar(u16int line, u16int col, WChar c, u8int color) = 0;	//Color : <bg 4bits><fg 4bits>
+	virtual void moveCursor(u16int line, u16int col) = 0;
+
+	//Graphic functions
 };
 
 #endif
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.cpp b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
index aca5ce6..8840080 100644
--- a/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.cpp
@@ -1,9 +1,11 @@
 #include "VGATextOutput.class.h"
+#include <DeviceManager/Disp.ns.h>
 
 //Virtual address in higher half
 #define RAM_ADDR 0xC00B8000
 
 using namespace Sys;	//For outb
+using namespace Disp;
 
 String VGATextOutput::getClass() {
 	return "display.text";
@@ -13,12 +15,24 @@ String VGATextOutput::getName() {
 	return "Standard mode0 VGA text display";
 }
 
-u16int VGATextOutput::textCols() {
-	return 80;
+void VGATextOutput::getModes(Vector<mode_t> &to) {
+	mode_t m;
+	m.textCols = 80;
+	m.textRows = 25;
+	m.identifier = 0;
+	m.graphWidth = 0;
+	m.graphHeight = 0;
+	m.device = this;
+	to.push(m);
 }
 
-u16int VGATextOutput::textRows() {
-	return 25;
+bool VGATextOutput::setMode(mode_t& mode) {
+	if (mode.device == this && mode.identifier == 0) {
+		//TODO : switch for real to mode 0.
+		clear();
+		return true;
+	}
+	return false;
 }
 
 void VGATextOutput::putChar(u16int line, u16int col, WChar c, u8int color) {
diff --git a/Source/Kernel/Devices/Display/VGATextOutput.class.h b/Source/Kernel/Devices/Display/VGATextOutput.class.h
index 864ae35..1ced227 100644
--- a/Source/Kernel/Devices/Display/VGATextOutput.class.h
+++ b/Source/Kernel/Devices/Display/VGATextOutput.class.h
@@ -8,6 +8,9 @@ class VGATextOutput : public Display {
 	String getClass();
 	String getName();
 
+	void getModes(Vector<Disp::mode_t> &to);
+	bool setMode(Disp::mode_t& mode);
+
 	u16int textCols();
 	u16int textRows();
 	void putChar(u16int line, u16int col, WChar c, u8int color);
-- 
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