haiku/src/apps/deskbar/WindowMenuItem.cpp

/*
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*/


#include "WindowMenuItem.h"

#include <Bitmap.h>
#include <Debug.h>
#include <NaturalCompare.h>

#include "BarApp.h"
#include "BarMenuBar.h"
#include "BarView.h"
#include "ExpandoMenuBar.h"
#include "ResourceSet.h"
#include "TeamMenu.h"
#include "WindowMenu.h"

#include "icons.h"


const float kHPad = 10.0f;
const float kVPad = 2.0f;
const float kLabelOffset = 8.0f;

const BRect kIconRect(1.0f, 1.0f, 13.0f, 14.0f);


//	#pragma mark - TWindowMenuItem


TWindowMenuItem::TWindowMenuItem(const char* name, int32 id, bool mini,
	bool currentWorkspace, bool dragging)
	:
	TTruncatableMenuItem(name, NULL),
	fID(id),
	fMini(mini),
	fCurrentWorkSpace(currentWorkspace),
	fDragging(dragging),
	fExpanded(false),
	fRequireUpdate(false),
	fModified(false)
{
	_Init(name);
}


void
TWindowMenuItem::GetContentSize(float* width, float* height)
{
	if (width != NULL) {
		if (!fExpanded) {
			*width = kHPad + fLabelWidth + kHPad;
			if (fID >= 0)
				*width += fBitmap->Bounds().Width() + kLabelOffset;
		} else
			*width = Frame().Width()/* - kHPad*/;
	}

	// Note: when the item is in "expanded mode", ie embedded into
	// the Deskbar itself, then a truncated label is used in SetLabel()
	// The code here is ignorant of this fact, but it doesn't seem to
	// hurt anything.

	if (height != NULL) {
		*height = (fID >= 0) ? fBitmap->Bounds().Height() : 0.0f;
		float labelHeight = fLabelAscent + fLabelDescent;
		*height = (labelHeight > *height) ? labelHeight : *height;
		*height += kVPad * 2;
	}
}


void
TWindowMenuItem::Draw()
{
	if (!fExpanded) {
		BMenuItem::Draw();
		return;
	}

	// TODO: Tint this smartly based on the low color, this does
	// nothing to black.
	rgb_color menuColor = tint_color(ui_color(B_MENU_BACKGROUND_COLOR), 1.07);
	BRect frame(Frame());
	BMenu* menu = Menu();

	menu->PushState();

	// if not selected or being tracked on, fill with gray
	TBarView* barview = (static_cast<TBarApp*>(be_app))->BarView();
	if ((!IsSelected() && !menu->IsRedrawAfterSticky())
		|| barview->Dragging() || !IsEnabled()) {

		rgb_color shadow = tint_color(menuColor, 1.09);
		menu->SetHighColor(shadow);
		frame.right = frame.left + kHPad / 2;
		menu->FillRect(frame);

		menu->SetHighColor(menuColor);
		frame.left = frame.right + 1;
		frame.right = Frame().right;
		menu->FillRect(frame);
	}

	if (IsEnabled() && IsSelected() && !menu->IsRedrawAfterSticky()) {
		// fill
		rgb_color backColor = tint_color(menuColor,
			B_HIGHLIGHT_BACKGROUND_TINT);
		menu->SetLowColor(backColor);
		menu->SetHighColor(backColor);
		menu->FillRect(frame);
	} else {
		menu->SetLowColor(menuColor);
		menu->SetHighColor(menuColor);
	}

	DrawContent();

	menu->PopState();
}


void
TWindowMenuItem::DrawContent()
{
	BMenu* menu = Menu();
	BPoint contentLocation = ContentLocation() + BPoint(kHPad, 0);

	if (fID >= 0) {
		menu->SetDrawingMode(B_OP_OVER);

		float width = fBitmap->Bounds().Width();
		if (width > 16)
			contentLocation.x -= 8;

		float height;
		GetContentSize(NULL, &height);
		contentLocation.y += (height - fBitmap->Bounds().Height()) / 2;

		menu->MovePenTo(contentLocation);
		menu->DrawBitmapAsync(fBitmap);

		if (width > 16)
			contentLocation.x += 8;

		contentLocation.x += kIconRect.Width() + kLabelOffset;
	}
	contentLocation.y = ContentLocation().y + kVPad + fLabelAscent;

	menu->SetDrawingMode(B_OP_COPY);
	menu->MovePenTo(contentLocation);

	if (IsSelected())
		menu->SetHighColor(ui_color(B_MENU_SELECTED_ITEM_TEXT_COLOR));
	else
		menu->SetHighColor(ui_color(B_MENU_ITEM_TEXT_COLOR));

	float labelWidth = menu->StringWidth(Label());
	BPoint penLocation = menu->PenLocation();
	float offset = penLocation.x - Frame().left;

	menu->DrawString(Label(labelWidth + offset));
}


status_t
TWindowMenuItem::Invoke(BMessage* /*message*/)
{
	if (!fDragging) {
		if (fID >= 0) {
			int32 action = (modifiers() & B_CONTROL_KEY) != 0
				? B_MINIMIZE_WINDOW : B_BRING_TO_FRONT;

			bool doZoom = false;
			BRect zoomRect(0.0f, 0.0f, 0.0f, 0.0f);
			BMenuItem* item;
			if (!fExpanded)
				item = Menu()->Superitem();
			else
				item = this;

			if (item->Menu()->Window() != NULL) {
				zoomRect = item->Menu()->ConvertToScreen(item->Frame());
				doZoom = (fMini && action == B_BRING_TO_FRONT)
					|| (!fMini && action == B_MINIMIZE_WINDOW);
			}

			do_window_action(fID, action, zoomRect, doZoom);
		}
	}
	return B_OK;
}


void
TWindowMenuItem::SetTo(const char* name, int32 id, bool mini,
	bool currentWorkspace, bool dragging)
{
	fModified = fCurrentWorkSpace != currentWorkspace || fMini != mini;

	fID = id;
	fMini = mini;
	fCurrentWorkSpace = currentWorkspace;
	fDragging = dragging;
	fRequireUpdate = false;

	_Init(name);
}


/*static*/ int32
TWindowMenuItem::InsertIndexFor(BMenu* menu, int32 startIndex,
	TWindowMenuItem* newItem)
{
	for (int32 index = startIndex;; index++) {
		TWindowMenuItem* item
			= dynamic_cast<TWindowMenuItem*>(menu->ItemAt(index));
		if (item == NULL
			|| NaturalCompare(item->Label(), newItem->Label()) > 0) {
			return index;
		}
	}
}


//	#pragma mark - private methods


void
TWindowMenuItem::_Init(const char* name)
{
	if (fMini) {
		fBitmap = fCurrentWorkSpace
			? AppResSet()->FindBitmap(B_MESSAGE_TYPE, R_WindowHiddenIcon)
			: AppResSet()->FindBitmap(B_MESSAGE_TYPE, R_WindowHiddenSwitchIcon);
	} else {
		fBitmap = fCurrentWorkSpace
			? AppResSet()->FindBitmap(B_MESSAGE_TYPE, R_WindowShownIcon)
			: AppResSet()->FindBitmap(B_MESSAGE_TYPE, R_WindowShownSwitchIcon);
	}

	BFont font(be_plain_font);
	fLabelWidth = ceilf(font.StringWidth(name));
	font_height fontHeight;
	font.GetHeight(&fontHeight);
	fLabelAscent = ceilf(fontHeight.ascent);
	fLabelDescent = ceilf(fontHeight.descent + fontHeight.leading);

	SetLabel(name);
}