From f7984f0d1d7ca9d919facbe3a40fb08afbd38b6a Mon Sep 17 00:00:00 2001
From: Daniel Collin <daniel@collin.com>
Date: Sun, 25 Nov 2012 11:01:07 +0100
Subject: [PATCH] Added color selection for tracks

Closes #26
---
 ogl_editor/src/TrackView.c         | 19 ++++++--
 ogl_editor/src/macosx/FileDialog.m | 88 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+), 4 deletions(-)

diff --git a/ogl_editor/src/TrackView.c b/ogl_editor/src/TrackView.c
index 25f730e..6b4b6f7 100644
--- a/ogl_editor/src/TrackView.c
+++ b/ogl_editor/src/TrackView.c
@@ -31,6 +31,7 @@ struct TrackInfo
 {
 	TrackViewInfo* viewInfo;
 	TrackData* trackData;
+	char* editText;
 	int selectLeft;
 	int selectRight;
 	int selectTop;
@@ -42,6 +43,8 @@ struct TrackInfo
 	int midPos;
 };
 
+extern void Dialog_showColorPicker(uint32_t* color);
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 void TrackView_init()
@@ -194,8 +197,7 @@ static void renderText(const struct TrackInfo* info, struct sync_track* track, i
 			float value = track->keys[idx].value;
 			snprintf(temp, 256, "% .2f", value);
 
-			if (!editRow)
-				Emgui_drawText(temp, x, y - font_size_half, Emgui_color32(255, 255, 255, 255));
+			Emgui_drawText(temp, x, y - font_size_half, Emgui_color32(255, 255, 255, 255));
 		}
 		else
 		{
@@ -288,7 +290,10 @@ static int renderChannel(struct TrackInfo* info, int startX, int editRow, Track*
 
 		if (drawColorButton(color, startX + 4, info->startY - colorbar_adjust, size))
 		{
-			printf("Yah!\n");
+			Dialog_showColorPicker(&trackData->color);
+
+			if (trackData->color != color)
+				s_needsUpdate = true;
 		}
 	}
 
@@ -332,7 +337,9 @@ static int renderChannel(struct TrackInfo* info, int startX, int editRow, Track*
 			idx = sync_find_key(track, y);
 
 		renderInterpolation(info, track, size, idx, offset, y_offset, folded);
-		renderText(info, track, y, idx, offset, y_offset, y == editRow, folded);
+
+		if (!(trackData->selected && info->viewInfo->rowPos == y && info->editText))
+			renderText(info, track, y, idx, offset, y_offset, y == editRow, folded);
 
 		selected = (trackIndex >= info->selectLeft && trackIndex <= info->selectRight) && 
 			       (y >= info->selectTop && y < info->selectBottom);
@@ -351,6 +358,9 @@ static int renderChannel(struct TrackInfo* info, int startX, int editRow, Track*
 		if (trackData->selected)
 		{
 			Emgui_fill(trackData->group->folded ? dark_active_track_color : active_track_color, startX, info->midPos, size, font_size + 1);
+
+			if (info->editText)
+				Emgui_drawText(info->editText, startX + 2, info->midPos, Emgui_color32(255, 255, 255, 255));
 		}
 	}
 
@@ -442,6 +452,7 @@ void renderGroups(TrackViewInfo* viewInfo, TrackData* trackData)
 
 	// Shared info for all tracks
 
+	info.editText = trackData->editText;
 	info.selectLeft = emini(viewInfo->selectStartTrack, viewInfo->selectStopTrack);
 	info.selectRight = emaxi(viewInfo->selectStartTrack, viewInfo->selectStopTrack);
 	info.selectTop  = emini(viewInfo->selectStartRow, viewInfo->selectStopRow);
diff --git a/ogl_editor/src/macosx/FileDialog.m b/ogl_editor/src/macosx/FileDialog.m
index 8973e1f..608658c 100644
--- a/ogl_editor/src/macosx/FileDialog.m
+++ b/ogl_editor/src/macosx/FileDialog.m
@@ -1,4 +1,5 @@
 #include "../Dialog.h"
+#include <Emgui.h>
 #import <Cocoa/Cocoa.h>
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -51,3 +52,90 @@ int Dialog_save(char* dest)
 	return true;
 }
 
+
+@interface ColorDelegate : NSObject<NSWindowDelegate>
+{
+    bool m_bIsClosed;
+}
+
+// Delegate methods
+- (id)init;
+- (BOOL)windowShouldClose:(id)sender;
+- (BOOL)isClosed;
+@end
+
+@implementation ColorDelegate : NSObject
+
+- (id)init
+{
+    [super init];
+    m_bIsClosed = false;
+
+    return self;
+}
+
+- (BOOL)windowShouldClose:(id)sender
+{
+    (void)sender;
+
+    m_bIsClosed = true;
+
+    [NSApp abortModal];
+    [NSApp stopModal];
+    return YES;
+}
+
+- (BOOL)isClosed
+{
+    return m_bIsClosed;
+}
+
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void Dialog_showColorPicker(uint32_t* color)
+{
+	uint32_t c = *color;
+
+	NSAutoreleasePool *thePool;
+    thePool = [[NSAutoreleasePool alloc] init];
+
+	//Get the shared color and font panel
+	[[NSColorPanel sharedColorPanel] setColor:
+            [NSColor colorWithCalibratedRed:(CGFloat) (Emgui_color32_getR(c) / 255.0)
+                                        green:(CGFloat) (Emgui_color32_getG(c) / 255.0)
+                                        blue:(CGFloat) (Emgui_color32_getB(c) / 255.0)
+                                        alpha:(CGFloat) 1.0]]; 
+
+	NSColorPanel* theColorPanel = [NSColorPanel sharedColorPanel];
+
+	//Create and assign the delegates (cocoa event handlers) so
+	//we can tell if a window has closed/open or not
+	ColorDelegate* colorDelegate = [[ColorDelegate alloc] init];
+	[theColorPanel setDelegate:colorDelegate];
+		NSModalSession session = [NSApp beginModalSessionForWindow:theColorPanel];
+		for (;;)
+		{
+			[NSApp runModalSession:session];
+
+			//If the color panel is closed, return the font panel modal loop
+			if ([colorDelegate isClosed])
+				break;
+		}
+		[NSApp endModalSession:session];
+
+	[theColorPanel setDelegate:nil];
+	[colorDelegate release];
+
+	//Get the shared color panel along with the chosen color and set the chosen color
+	NSColor* theColor = [[theColorPanel color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+
+	*color = Emgui_color32((unsigned char) ([theColor redComponent] * 255.0),
+						   (unsigned char) ([theColor greenComponent] * 255.0),
+						   (unsigned char) ([theColor blueComponent] * 255.0),
+						   255);
+
+	[thePool release];
+}
+