From 6f3d78dab0efb3cac987de4f82b5d8bb2cee9b13 Mon Sep 17 00:00:00 2001
From: "Martin Felis (schakeline)" <martin@silef.de>
Date: Sat, 30 Oct 2010 11:39:59 +0200
Subject: [PATCH] stylized the butons

---
 engine/IMGUIControls.cc | 70 +++++++++++++++++++++++++++++++++++------
 1 file changed, 61 insertions(+), 9 deletions(-)

diff --git a/engine/IMGUIControls.cc b/engine/IMGUIControls.cc
index 093d6de..27128b5 100644
--- a/engine/IMGUIControls.cc
+++ b/engine/IMGUIControls.cc
@@ -30,6 +30,58 @@ bool regionhit (int x, int y, int w, int h) {
 	return true;
 }
 
+void DrawBlock (int x, int y, int w, int h) {
+	const int d = 16;
+	const float shading_dark = 0.5;
+	const float shading_light = 1.3;
+
+	assert (h > d);
+	assert (w > d);
+
+	glBegin(GL_QUADS);
+		// lower part
+	glVertex3f (x, y, 0.);
+	glVertex3f (x, y + d, 0.);
+	glVertex3f (x + w, y + d, 0.);
+	glVertex3f (x + w - d, y, 0.);
+
+ 	// middle part
+	glVertex3f (x, y + d, 0.);
+	glVertex3f (x, y + d + h - 2 * d, 0.);
+	glVertex3f (x + w, y + d + h - 2 * d, 0.);
+	glVertex3f (x + w, y + d, 0.);
+
+	// bottom part
+	glVertex3f (x, y + h - d, 0.);
+	glVertex3f (x + d, y + h, 0.);
+	glVertex3f (x + w, y + h, 0.);
+	glVertex3f (x + w, y + h - d, 0.);
+
+	glEnd();
+
+	// "Shading"
+	float color[4];
+	glGetFloatv (GL_CURRENT_COLOR, color);
+
+	glLineWidth(3);
+	glColor3f (color[0] * shading_dark, color[1] * shading_dark, color[2] * shading_dark);
+
+	glBegin(GL_LINE_STRIP);
+	glVertex3f (x,y + 2, 0.);
+	glVertex3f (x,y + h -d, 0.);
+	glVertex3f (x + d, y + h, 0.);
+	glVertex3f (x + w - 2, y + h, 0.);
+	glEnd();
+
+	glColor3f (color[0] * shading_light, color[1] * shading_light, color[2] * shading_light);
+	glBegin(GL_LINE_STRIP);
+	glVertex3f (x + w - d, y, 0.);
+	glVertex3f (x + w, y + d, 0.);
+	glEnd();
+
+	glColor4fv (color);
+}
+
 /** \brief Draws a label with a given caption at the position (vertically centered)
  *
  * This function draws the label at the horizontal x position and centers the
@@ -85,20 +137,20 @@ bool Button (int id, const char* caption, int x, int y, int w, int h) {
 
 	// Render
 	glColor3f (0.2, 0.2, 0.2);
-	DrawRect2D (x + 4, y + 4, w, h);
+//	DrawBlock (x + 4, y + 4, w, h);
 
 	if (controller->uistate.hotitem == id 
 			|| controller->uistate.kbditem == id) {
 		if (controller->uistate.activeitem == id) {
 			glColor3f (0.8, 0.8, 0.8);
-			DrawRect2D (x, y, w, h);
+			DrawBlock (x, y, w, h);
 		} else {
 			glColor3f (0.7, 0.7, 0.7);
-			DrawRect2D (x, y, w, h);
+			DrawBlock (x, y, w, h);
 		}
 	} else {
 		glColor3f (0.4, 0.4, 0.4);
-		DrawRect2D (x, y, w, h);
+		DrawBlock (x, y, w, h);
 	}
 
 	// Caption
@@ -166,7 +218,7 @@ bool LineEdit (int id, int x, int y, std::string &text_value, const int &maxleng
 	assert (controller);
 
 	int w = maxlength * 16;
-	int h = 16;
+	int h = 20;
 
 //	LogMessage ("id = %d hotitem = %d activeitem = %d kbditem = %d key = %s", id, controller->uistate.hotitem, controller->uistate.activeitem, controller->uistate.kbditem, convert_keycode (controller->uistate.last_keysym)); 
 
@@ -188,20 +240,20 @@ bool LineEdit (int id, int x, int y, std::string &text_value, const int &maxleng
 
 	// Render
 	glColor3f (0.2, 0.2, 0.2);
-	DrawRect2D (x + 4, y + 4, w, h);
+	DrawBlock (x + 4, y + 4, w, h);
 
 	// If we have keyboard focus, we highlight the widget
 	if ( controller->uistate.kbditem == id) {
 		if (controller->uistate.activeitem == id) {
 			glColor3f (0.8, 0.8, 0.8);
-			DrawRect2D (x, y, w, h);
+			DrawBlock (x, y, w, h);
 		} else {
 			glColor3f (0.7, 0.7, 0.7);
-			DrawRect2D (x, y, w, h);
+			DrawBlock (x, y, w, h);
 		}
 	} else {
 		glColor3f (0.4, 0.4, 0.4);
-		DrawRect2D (x, y, w, h);
+		DrawBlock (x, y, w, h);
 	}
 
 	// Rendering of the current value