xref: /haiku/src/apps/deskbar/BarMenuBar.cpp (revision 03f7c11ece0869967f2dc6b36cca8da7403594af)

/*
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this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
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of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

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and shall be included in all copies or substantial portions of the Software.

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*/


#include "BarMenuBar.h"

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

#include "icons.h"

#include "BarWindow.h"
#include "DeskbarMenu.h"
#include "DeskbarUtils.h"
#include "ResourceSet.h"
#include "TeamMenu.h"


const float kSepItemWidth = 5.0f;

TBarMenuBar::TBarMenuBar(TBarView* bar, BRect frame, const char* name)
	: BMenuBar(frame, name, B_FOLLOW_NONE, B_ITEMS_IN_ROW, false),
	fBarView(bar),
	fAppListMenuItem(NULL),
	fSeparatorItem(NULL)
{
	SetItemMargins(0.0f, 0.0f, 0.0f, 0.0f);

	TDeskbarMenu* beMenu = new TDeskbarMenu(bar);
	TBarWindow::SetDeskbarMenu(beMenu);

	const BBitmap* logoBitmap = AppResSet()->FindBitmap(B_MESSAGE_TYPE,
		R_LeafLogoBitmap);
	fDeskbarMenuItem = new TBarMenuTitle(frame.Width(), frame.Height(),
		logoBitmap, beMenu);
	AddItem(fDeskbarMenuItem);
}


TBarMenuBar::~TBarMenuBar()
{
}


void
TBarMenuBar::SmartResize(float width, float height)
{
	if (width == -1.0f && height == -1.0f) {
		BRect frame = Frame();
		width = frame.Width();
		height = frame.Height();
	} else
		ResizeTo(width, height);

	width -= 1;

	if (fSeparatorItem != NULL)
		fDeskbarMenuItem->SetContentSize(width - kSepItemWidth, height);
	else {
		int32 count = CountItems();
		if (fDeskbarMenuItem)
			fDeskbarMenuItem->SetContentSize(width / count, height);
		if (fAppListMenuItem)
			fAppListMenuItem->SetContentSize(width / count, height);
	}

	InvalidateLayout();
}


bool
TBarMenuBar::AddTeamMenu()
{
	if (CountItems() > 1)
		return false;

	BRect frame(Frame());

	delete fAppListMenuItem;
	fAppListMenuItem = new TBarMenuTitle(0.0f, 0.0f,
		AppResSet()->FindBitmap(B_MESSAGE_TYPE, R_TeamIcon), new TTeamMenu());

	bool added = AddItem(fAppListMenuItem);

	if (added)
		SmartResize(frame.Width() - 1.0f, frame.Height());
	else
		SmartResize(frame.Width(), frame.Height());

	return added;
}


bool
TBarMenuBar::RemoveTeamMenu()
{
	if (CountItems() < 2)
		return false;

	bool removed = false;

	if (fAppListMenuItem != NULL && RemoveItem(fAppListMenuItem)) {
		delete fAppListMenuItem;
		fAppListMenuItem = NULL;
		SmartResize(-1, -1);
		removed = true;
	}

	return removed;
}


bool
TBarMenuBar::AddSeperatorItem()
{
	if (CountItems() > 1)
		return false;

	BRect frame(Frame());

	delete fSeparatorItem;
	fSeparatorItem = new TTeamMenuItem(kSepItemWidth,
		frame.Height() - 2, false);
	fSeparatorItem->SetEnabled(false);

	bool added = AddItem(fSeparatorItem);

	if (added)
		SmartResize(frame.Width() - 1.0f, frame.Height());
	else
		SmartResize(frame.Width(), frame.Height());

	return added;
}


bool
TBarMenuBar::RemoveSeperatorItem()
{
	if (CountItems() < 2)
		return false;

	bool removed = false;

	if (fSeparatorItem != NULL && RemoveItem(fSeparatorItem)) {
		delete fSeparatorItem;
		fSeparatorItem = NULL;
		SmartResize(-1, -1);
		removed = true;
	}

	return removed;
}


void
TBarMenuBar::Draw(BRect updateRect)
{
	// want to skip the fancy BMenuBar drawing code.
	BMenu::Draw(updateRect);
}


void
TBarMenuBar::DrawBackground(BRect updateRect)
{
	BMenu::DrawBackground(updateRect);
}


void
TBarMenuBar::MouseMoved(BPoint where, uint32 code, const BMessage* message)
{
	// the following code parallels that in ExpandoMenuBar for DnD tracking

	if (!message) {
		// force a cleanup
		fBarView->DragStop(true);
		BMenuBar::MouseMoved(where, code, message);
		return;
	}

	switch (code) {
		case B_ENTERED_VIEW:
		{
			BPoint loc;
			uint32 buttons;
			GetMouse(&loc, &buttons);
			if (message != NULL && buttons != 0) {
				// attempt to start DnD tracking
				fBarView->CacheDragData(const_cast<BMessage*>(message));
				MouseDown(loc);
			}
			break;
		}
	}

	BMenuBar::MouseMoved(where, code, message);
}


static void
init_tracking_hook(BMenuItem* item, bool (*hookFunction)(BMenu*, void*),
	void* state)
{
	if (!item)
		return;

	BMenu* windowMenu = item->Submenu();
	if (windowMenu) {
		// have a menu, set the tracking hook
		windowMenu->SetTrackingHook(hookFunction, state);
	}
}


void
TBarMenuBar::InitTrackingHook(bool (*hookFunction)(BMenu*, void*),
	void* state, bool both)
{
	BPoint loc;
	uint32 buttons;
	GetMouse(&loc, &buttons);
	// set the hook functions for the two menus
	// will always have the deskbar menu
	// may have the app menu as well (mini mode)
	if (fDeskbarMenuItem->Frame().Contains(loc) || both)
		init_tracking_hook(fDeskbarMenuItem, hookFunction, state);

	if (fAppListMenuItem && (fAppListMenuItem->Frame().Contains(loc) || both))
		init_tracking_hook(fAppListMenuItem, hookFunction, state);
}