Doh... should have been part of my last commit. Sorry!

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38586 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/mediaplayer/interface/PlayPauseButton.cpp

@@ -0,0 +1,184 @@
+/*
+ * Copyright 2010, Stephan Aßmus <[email protected]>.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "PlayPauseButton.h"
+
+#include <GradientLinear.h>
+#include <LayoutUtils.h>
+#include <Shape.h>
+
+
+static const rgb_color kGreen = (rgb_color){ 116, 224, 0, 255 };
+
+
+// constructor
+PlayPauseButton::PlayPauseButton(const char* name,
+		BShape* playSymbolShape, BShape* pauseSymbolShape, BMessage* message,
+		uint32 borders)
+	:
+	SymbolButton(name, NULL, message, borders),
+	fPlaySymbol(playSymbolShape),
+	fPauseSymbol(pauseSymbolShape),
+	fPlaybackState(kStopped)
+{
+}
+
+
+PlayPauseButton::~PlayPauseButton()
+{
+	delete fPlaySymbol;
+	delete fPauseSymbol;
+}
+
+
+void
+PlayPauseButton::Draw(BRect updateRect)
+{
+	SymbolButton::Draw(updateRect);
+
+	rgb_color base = ui_color(B_PANEL_BACKGROUND_COLOR);
+	rgb_color active = (rgb_color){ 116, 224, 0, 255 };
+
+	if (IsEnabled()) {
+		if (Value() == B_CONTROL_ON)
+			base = tint_color(base, (B_DARKEN_4_TINT + B_DARKEN_MAX_TINT) / 2);
+		else
+			base = tint_color(base, B_DARKEN_4_TINT);
+	} else {
+		if (Value() == B_CONTROL_ON)
+			base = tint_color(base, B_DARKEN_2_TINT);
+		else
+			base = tint_color(base, B_DARKEN_1_TINT);
+	}
+	BRect bounds(Bounds());
+	BRect pauseBounds = fPauseSymbol->Bounds();
+	BRect playBounds = fPlaySymbol->Bounds();
+
+	BPoint offset;
+	float spacing = pauseBounds.Height() / 4;
+	offset.x = (bounds.left + bounds.right) / 2;
+	offset.y = (bounds.top + bounds.bottom) / 2;
+	offset.x -= (pauseBounds.Width() + playBounds.Width() + spacing) / 2;
+	offset.y -= pauseBounds.Height() / 2;
+	offset.x = floorf(offset.x - playBounds.left + 0.5);
+	offset.y = ceilf(offset.y - pauseBounds.top);
+	if (Value() == B_CONTROL_ON) {
+		offset.x += 1;
+		offset.y += 1;
+	}
+
+	bool playActive = IsEnabled()
+		&& ((fPlaybackState == kPlaying && Value() == B_CONTROL_OFF)
+			|| (fPlaybackState == kPaused && Value() == B_CONTROL_ON));
+	bool pauseActive = IsEnabled()
+		&& ((fPlaybackState == kPaused && Value() == B_CONTROL_OFF)
+			|| (fPlaybackState == kPlaying && Value() == B_CONTROL_ON));
+
+	MovePenTo(offset);
+	BGradientLinear gradient;
+	if (playActive) {
+		gradient.AddColor(active, 0);
+		gradient.AddColor(tint_color(active, B_LIGHTEN_1_TINT), 255);
+	} else {
+		gradient.AddColor(tint_color(base, B_DARKEN_1_TINT), 0);
+		gradient.AddColor(base, 255);
+	}
+	gradient.SetStart(offset);
+	offset.y += playBounds.Height();
+	gradient.SetEnd(offset);
+	FillShape(fPlaySymbol, gradient);
+	if (playActive) {
+		SetHighColor(tint_color(active, B_DARKEN_3_TINT));
+		MovePenBy(0.5, 0.5);
+		StrokeShape(fPlaySymbol);
+	}
+
+	offset.y -= playBounds.Height();
+	offset.x += ceilf(playBounds.Width() + spacing);
+	MovePenTo(offset);
+	gradient.MakeEmpty();
+	if (pauseActive) {
+		gradient.AddColor(active, 0);
+		gradient.AddColor(tint_color(active, B_LIGHTEN_1_TINT), 255);
+	} else {
+		gradient.AddColor(tint_color(base, B_DARKEN_1_TINT), 0);
+		gradient.AddColor(base, 255);
+	}
+	gradient.SetStart(offset);
+	offset.y += playBounds.Height();
+	gradient.SetEnd(offset);
+	FillShape(fPauseSymbol, gradient);
+	if (pauseActive) {
+		SetHighColor(tint_color(active, B_DARKEN_3_TINT));
+		MovePenBy(0.5, 0.5);
+		StrokeShape(fPauseSymbol);
+	}
+}
+
+
+BSize
+PlayPauseButton::MinSize()
+{
+	if (fPauseSymbol == NULL || fPlaySymbol == NULL)
+		return BButton::MinSize();
+
+	BSize size;
+	size.width = ceilf(
+		(fPlaySymbol->Bounds().Width() + fPauseSymbol->Bounds().Width())
+			* 2.5f);
+	size.height = ceilf(fPauseSymbol->Bounds().Height() * 2.5f);
+	return BLayoutUtils::ComposeSize(ExplicitMinSize(), size);
+}
+
+
+BSize
+PlayPauseButton::MaxSize()
+{
+	BSize size(MinSize());
+	size.width = ceilf(size.width * 1.5f);
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), size);
+}
+
+
+void
+PlayPauseButton::SetPlaying()
+{
+	_SetPlaybackState(kPlaying);
+}
+
+
+void
+PlayPauseButton::SetPaused()
+{
+	_SetPlaybackState(kPaused);
+}
+
+
+void
+PlayPauseButton::SetStopped()
+{
+	_SetPlaybackState(kStopped);
+}
+
+
+void
+PlayPauseButton::SetSymbols(BShape* playSymbolShape, BShape* pauseSymbolShape)
+{
+	delete fPlaySymbol;
+	fPlaySymbol = playSymbolShape;
+	delete fPauseSymbol;
+	fPauseSymbol = pauseSymbolShape;
+}
+
+
+void
+PlayPauseButton::_SetPlaybackState(uint32 state)
+{
+	if (fPlaybackState == state)
+		return;
+	fPlaybackState = state;
+	Invalidate();
+}

src/apps/mediaplayer/interface/PlayPauseButton.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010, Stephan Aßmus <[email protected]>.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef PLAY_PAUSE_BUTTON_H
+#define PLAY_PAUSE_BUTTON_H
+
+
+#include "SymbolButton.h"
+
+
+class PlayPauseButton : public SymbolButton {
+public:
+								PlayPauseButton(const char* name,
+									BShape* playSymbolShape,
+									BShape* pauseSymbolShape,
+									BMessage* message = NULL,
+									uint32 borders
+										= BControlLook::B_ALL_BORDERS);
+
+	virtual						~PlayPauseButton();
+
+	// BButton interface
+	virtual	void				Draw(BRect updateRect);
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+
+	// PlayPauseButton
+			void				SetPlaying();
+			void				SetPaused();
+			void				SetStopped();
+
+			void				SetSymbols(BShape* playSymbolShape,
+									BShape* pauseSymbolShape);
+
+private:
+			void				_SetPlaybackState(uint32 state);
+
+private:
+			BShape*				fPlaySymbol;
+			BShape*				fPauseSymbol;
+			enum {
+				kStopped = 0,
+				kPaused,
+				kPlaying
+			};
+			uint32				fPlaybackState;
+};
+
+
+#endif	// PLAY_PAUSE_BUTTON_H

src/apps/mediaplayer/interface/SymbolButton.cpp

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2010, Stephan Aßmus <[email protected]>.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "SymbolButton.h"
+
+#include <GradientLinear.h>
+#include <LayoutUtils.h>
+#include <Shape.h>
+
+
+static const rgb_color kGreen = (rgb_color){ 116, 224, 0, 255 };
+
+
+// constructor
+SymbolButton::SymbolButton(const char* name, BShape* symbolShape,
+		BMessage* message, uint32 borders)
+	:
+	BButton(name, NULL, message),
+	fSymbol(symbolShape),
+	fBorders(borders)
+{
+}
+
+
+SymbolButton::~SymbolButton()
+{
+	delete fSymbol;
+}
+
+
+void
+SymbolButton::Draw(BRect updateRect)
+{
+	uint32 flags = be_control_look->Flags(this);
+	rgb_color base = LowColor();
+	BRect bounds(Bounds());
+
+	if (fBorders != 0) {
+		be_control_look->DrawButtonFrame(this, bounds, updateRect, base,
+			base, flags & ~BControlLook::B_DISABLED, fBorders);
+		be_control_look->DrawButtonBackground(this, bounds, updateRect, base,
+			flags);
+	} else
+		FillRect(updateRect, B_SOLID_LOW);
+
+	if (fSymbol == NULL)
+		return;
+
+	if (IsEnabled()) {
+		if (Value() == B_CONTROL_ON)
+			base = tint_color(base, (B_DARKEN_4_TINT + B_DARKEN_MAX_TINT) / 2);
+		else
+			base = tint_color(base, B_DARKEN_4_TINT);
+	} else {
+		if (Value() == B_CONTROL_ON)
+			base = tint_color(base, B_DARKEN_2_TINT);
+		else
+			base = tint_color(base, B_DARKEN_1_TINT);
+	}
+
+	BPoint offset;
+	offset.x = (bounds.left + bounds.right) / 2;
+	offset.y = (bounds.top + bounds.bottom) / 2;
+	offset.x -= fSymbol->Bounds().Width() / 2;
+	offset.y -= fSymbol->Bounds().Height() / 2;
+	offset.x = floorf(offset.x - fSymbol->Bounds().left);
+	offset.y = ceilf(offset.y - fSymbol->Bounds().top);
+
+	MovePenTo(offset);
+	BGradientLinear gradient;
+	gradient.AddColor(tint_color(base, B_DARKEN_1_TINT), 0);
+	gradient.AddColor(base, 255);
+	gradient.SetStart(offset);
+	offset.y += fSymbol->Bounds().Height();
+	gradient.SetEnd(offset);
+	FillShape(fSymbol, gradient);
+}
+
+
+BSize
+SymbolButton::MinSize()
+{
+	if (fSymbol == NULL)
+		return BButton::MinSize();
+
+	BSize size;
+	size.width = ceilf(fSymbol->Bounds().Width() * 2.5f);
+	size.height = ceilf(fSymbol->Bounds().Height() * 2.5f);
+	return BLayoutUtils::ComposeSize(ExplicitMinSize(), size);
+}
+
+
+BSize
+SymbolButton::MaxSize()
+{
+	BSize size(MinSize());
+	size.width = ceilf(size.width * 1.5f);
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), size);
+}
+
+
+void
+SymbolButton::SetSymbol(BShape* symbolShape)
+{
+	delete fSymbol;
+	fSymbol = symbolShape;
+}
+

src/apps/mediaplayer/interface/SymbolButton.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010, Stephan Aßmus <[email protected]>.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef SYMBOL_BUTTON_H
+#define SYMBOL_BUTTON_H
+
+
+#include <Button.h>
+#include <ControlLook.h>
+
+class BShape;
+
+
+class SymbolButton : public BButton {
+public:
+								SymbolButton(const char* name,
+									BShape* symbolShape,
+									BMessage* message = NULL,
+									uint32 borders
+										= BControlLook::B_ALL_BORDERS);
+
+	virtual						~SymbolButton();
+
+	// BButton interface
+	virtual	void				Draw(BRect updateRect);
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+
+	// SymbolButton
+			void				SetSymbol(BShape* symbolShape);
+
+private:
+			BShape*				fSymbol;
+			uint32				fBorders;
+};
+
+
+#endif	// SYMBOL_BUTTON_H