xref: /haiku/src/apps/deskbar/TeamMenuItem.cpp (revision a7c02e02e95d1da230576abdc431c09d481c3e60)

/*
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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 "TeamMenuItem.h"

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include <Bitmap.h>
#include <ControlLook.h>
#include <Debug.h>
#include <Font.h>
#include <Region.h>
#include <Roster.h>
#include <Resources.h>

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


const float kHPad = 8.0f;
const float kVPad = 1.0f;
const float kLabelOffset = 8.0f;
const float kSwitchWidth = 12.0f;


TTeamMenuItem::TTeamMenuItem(BList* team, BBitmap* icon, char* name, char* sig,
	float width, float height, bool drawLabel, bool vertical)
	:
	BMenuItem(new TWindowMenu(team, sig))
{
	_InitData(team, icon, name, sig, width, height, drawLabel, vertical);
}


TTeamMenuItem::TTeamMenuItem(float width, float height, bool vertical)
	:
	BMenuItem("", NULL)
{
	_InitData(NULL, NULL, strdup(""), strdup(""), width, height, false,
		vertical);
}


TTeamMenuItem::~TTeamMenuItem()
{
	delete fTeam;
	delete fIcon;
	free(fName);
	free(fSig);
}


status_t
TTeamMenuItem::Invoke(BMessage* message)
{
	if (fBarView->InvokeItem(Signature())) {
		// handles drop on application
		return B_OK;
	}

	// if the app could not handle the drag message
	// and we were dragging, then kill the drag
	// should never get here, disabled item will not invoke
	if (fBarView != NULL && fBarView->Dragging())
		fBarView->DragStop();

	// bring to front or minimize shortcuts
	uint32 mods = modifiers();
	if (mods & B_CONTROL_KEY) {
		TShowHideMenuItem::TeamShowHideCommon((mods & B_SHIFT_KEY)
			? B_MINIMIZE_WINDOW : B_BRING_TO_FRONT, Teams());
	}

	return BMenuItem::Invoke(message);
}


void
TTeamMenuItem::SetOverrideWidth(float width)
{
	fOverrideWidth = width;
}


void
TTeamMenuItem::SetOverrideHeight(float height)
{
	fOverrideHeight = height;
}


void
TTeamMenuItem::SetOverrideSelected(bool selected)
{
	fOverriddenSelected = selected;
	Highlight(selected);
}


void
TTeamMenuItem::SetArrowDirection(int32 direction)
{
	fArrowDirection = direction;
}


void
TTeamMenuItem::SetHasLabel(bool drawLabel)
{
	fDrawLabel = drawLabel;
}


void
TTeamMenuItem::GetContentSize(float* width, float* height)
{
	BRect iconBounds;

	if (fIcon != NULL)
		iconBounds = fIcon->Bounds();
	else
		iconBounds = BRect(0, 0, kMinimumIconSize - 1, kMinimumIconSize - 1);

	BMenuItem::GetContentSize(width, height);

	if (fOverrideWidth != -1.0f)
		*width = fOverrideWidth;
	else {
		*width = kHPad + iconBounds.Width() + kHPad;
		if (iconBounds.Width() <= 32 && fDrawLabel)
			*width += LabelWidth() + kHPad;
	}

	if (fOverrideHeight != -1.0f)
		*height = fOverrideHeight;
	else {
		if (fVertical) {
			*height = iconBounds.Height() + kVPad * 4;
			if (fDrawLabel && iconBounds.Width() > 32)
				*height += fLabelAscent + fLabelDescent;
		} else {
			*height = iconBounds.Height() + kVPad * 4;
		}
	}
	*height += 2;
}


void
TTeamMenuItem::Draw()
{
	BRect frame(Frame());
	BMenu* menu = Menu();

	menu->PushState();

	rgb_color menuColor = menu->LowColor();
	bool canHandle = !fBarView->Dragging()
		|| fBarView->AppCanHandleTypes(Signature());
	uint32 flags = 0;
	if (_IsSelected() && canHandle)
		flags |= BControlLook::B_ACTIVATED;

	uint32 borders = BControlLook::B_TOP_BORDER;
	if (fVertical) {
		menu->SetHighColor(tint_color(menuColor, B_DARKEN_1_TINT));
		borders |= BControlLook::B_LEFT_BORDER
			| BControlLook::B_RIGHT_BORDER;
		menu->StrokeLine(frame.LeftBottom(), frame.RightBottom());
		frame.bottom--;

		be_control_look->DrawMenuBarBackground(menu, frame, frame,
			menuColor, flags, borders);
	} else {
		if (flags & BControlLook::B_ACTIVATED)
			menu->SetHighColor(tint_color(menuColor, B_DARKEN_3_TINT));
		else
			menu->SetHighColor(tint_color(menuColor, 1.22));
		borders |= BControlLook::B_BOTTOM_BORDER;
		menu->StrokeLine(frame.LeftTop(), frame.LeftBottom());
		frame.left++;

		be_control_look->DrawButtonBackground(menu, frame, frame,
			menuColor, flags, borders);
	}

	menu->MovePenTo(ContentLocation());
	DrawContent();

	menu->PopState();
}


void
TTeamMenuItem::DrawContent()
{
	BMenu* menu = Menu();
	if (fIcon != NULL) {
		if (fIcon->ColorSpace() == B_RGBA32) {
			menu->SetDrawingMode(B_OP_ALPHA);
			menu->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
		} else
			menu->SetDrawingMode(B_OP_OVER);

		BRect frame(Frame());
		BRect iconBounds(fIcon->Bounds());
		BRect dstRect(iconBounds);
		float extra = fVertical ? 0.0f : -1.0f;
		BPoint contLoc = ContentLocation();
		BPoint drawLoc = contLoc + BPoint(kHPad, kVPad);

		if (!fDrawLabel || (fVertical && iconBounds.Width() > 32)) {
			float offsetx = contLoc.x
				+ ((frame.Width() - iconBounds.Width()) / 2) + extra;
			float offsety = contLoc.y + 3.0f + extra;

			dstRect.OffsetTo(BPoint(offsetx, offsety));
			menu->DrawBitmapAsync(fIcon, dstRect);

			drawLoc.x = ((frame.Width() - LabelWidth()) / 2);
			drawLoc.y = frame.top + iconBounds.Height() + 4.0f;
		} else {
			float offsetx = contLoc.x + kHPad;
			float offsety = contLoc.y +
				((frame.Height() - iconBounds.Height()) / 2) + extra;

			dstRect.OffsetTo(BPoint(offsetx, offsety));
			menu->DrawBitmapAsync(fIcon, dstRect);

			float labelHeight = fLabelAscent + fLabelDescent;
			drawLoc.x += iconBounds.Width() + kLabelOffset;
			drawLoc.y = frame.top + ((frame.Height() - labelHeight) / 2) + extra;
		}

		menu->MovePenTo(drawLoc);
	}

	if (fDrawLabel) {
		menu->SetDrawingMode(B_OP_OVER);
		menu->SetHighColor(ui_color(B_MENU_ITEM_TEXT_COLOR));

		// override the drawing of the content when the item is disabled
		// the wrong lowcolor is used when the item is disabled since the
		// text color does not change
		DrawContentLabel();
	}

	if (fVertical && static_cast<TBarApp*>(be_app)->Settings()->superExpando
		&& fBarView->ExpandoState()) {
		DrawExpanderArrow();
	}
}


void
TTeamMenuItem::DrawContentLabel()
{
	BMenu* menu = Menu();
	menu->MovePenBy(0, fLabelAscent);

	float cachedWidth = menu->StringWidth(Label());
	if (Submenu() && fVertical)
		cachedWidth += 18;

	const char* label = Label();
	char* truncLabel = NULL;
	float max = 0;

	if (fVertical && static_cast<TBarApp*>(be_app)->Settings()->superExpando)
		max = menu->MaxContentWidth() - kSwitchWidth;
	else
		max = menu->MaxContentWidth() - 4.0f;

	if (max > 0) {
		BPoint penloc = menu->PenLocation();
		BRect frame = Frame();
		float offset = penloc.x - frame.left;
		if (cachedWidth + offset > max) {
			truncLabel = (char*)malloc(strlen(label) + 4);
			if (truncLabel == NULL)
				return;
			TruncateLabel(max-offset, truncLabel);
			label = truncLabel;
		}
	}

	if (label == NULL)
		label = Label();

	bool canHandle = !fBarView->Dragging()
		|| fBarView->AppCanHandleTypes(Signature());
	if (_IsSelected() && IsEnabled() && canHandle)
		menu->SetLowColor(tint_color(menu->LowColor(),
			B_HIGHLIGHT_BACKGROUND_TINT));
	else
		menu->SetLowColor(menu->LowColor());

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

	menu->DrawString(label);

	free(truncLabel);
}


void
TTeamMenuItem::DrawExpanderArrow()
{
	BMenu* menu = Menu();
	BRect frame(Frame());
	BRect rect(0, 0, kSwitchWidth, 10);

	rect.OffsetTo(BPoint(frame.right - rect.Width(),
		ContentLocation().y + ((frame.Height() - rect.Height()) / 2)));
	be_control_look->DrawArrowShape(menu, rect, rect, menu->LowColor(),
		fArrowDirection, 0, B_DARKEN_3_TINT);
}


void
TTeamMenuItem::ToggleExpandState(bool resizeWindow)
{
	fExpanded = !fExpanded;
	fArrowDirection = fExpanded ? BControlLook::B_DOWN_ARROW
		: BControlLook::B_RIGHT_ARROW;

	if (fExpanded) {
		// Populate Menu() with the stuff from SubMenu().
		TWindowMenu* sub = (static_cast<TWindowMenu*>(Submenu()));
		if (sub != NULL) {
			// force the menu to update it's contents.
			bool locked = sub->LockLooper();
				// if locking the looper failed, the menu is just not visible
			sub->AttachedToWindow();
			if (locked)
				sub->UnlockLooper();

			if (sub->CountItems() > 1) {
				TExpandoMenuBar* parent = static_cast<TExpandoMenuBar*>(Menu());
				int myindex = parent->IndexOf(this) + 1;

				TWindowMenuItem* windowItem = NULL;
				int childIndex = 0;
				int totalChildren = sub->CountItems() - 4;
					// hide, show, close, separator.
				for (; childIndex < totalChildren; childIndex++) {
					windowItem = static_cast<TWindowMenuItem*>
						(sub->RemoveItem((int32)0));
					parent->AddItem(windowItem, myindex + childIndex);
					windowItem->ExpandedItem(true);
				}
				sub->SetExpanded(true, myindex + childIndex);

				if (resizeWindow)
					parent->SizeWindow(-1);
			}
		}
	} else {
		// Remove the goodies from the Menu() that should be in the SubMenu();
		TWindowMenu* sub = static_cast<TWindowMenu*>(Submenu());
		if (sub != NULL) {
			TExpandoMenuBar* parent = static_cast<TExpandoMenuBar*>(Menu());

			TWindowMenuItem* windowItem = NULL;
			int childIndex = parent->IndexOf(this) + 1;
			while (!parent->SubmenuAt(childIndex) && childIndex
				< parent->CountItems()) {
				windowItem = static_cast<TWindowMenuItem*>
					(parent->RemoveItem(childIndex));
				sub->AddItem(windowItem, 0);
				windowItem->ExpandedItem(false);
			}
			sub->SetExpanded(false, 0);

			if (resizeWindow)
				parent->SizeWindow(1);
		}
	}
}


TWindowMenuItem*
TTeamMenuItem::ExpandedWindowItem(int32 id)
{
	if (!fExpanded) {
		// Paranoia
		return NULL;
	}

	TExpandoMenuBar* parent = static_cast<TExpandoMenuBar*>(Menu());
	int childIndex = parent->IndexOf(this) + 1;

	while (!parent->SubmenuAt(childIndex)
		&& childIndex < parent->CountItems()) {
		TWindowMenuItem* item
			= static_cast<TWindowMenuItem*>(parent->ItemAt(childIndex));
		if (item->ID() == id)
			return item;

		childIndex++;
	}
	return NULL;
}


BRect
TTeamMenuItem::ExpanderBounds() const
{
	BRect bounds(Frame());
	bounds.left = bounds.right - kSwitchWidth;
	return bounds;
}


//	#pragma mark - Private methods


void
TTeamMenuItem::_InitData(BList* team, BBitmap* icon, char* name, char* sig,
	float width, float height, bool drawLabel, bool vertical)
{
	fTeam = team;
	fIcon = icon;
	fName = name;
	fSig = sig;
	if (fName == NULL) {
		char temp[32];
		snprintf(temp, sizeof(temp), "team %ld", (addr_t)team->ItemAt(0));
		fName = strdup(temp);
	}
	SetLabel(fName);
	fOverrideWidth = width;
	fOverrideHeight = height;
	fDrawLabel = drawLabel;
	fVertical = vertical;

	fBarView = static_cast<TBarApp*>(be_app)->BarView();
	BFont font(be_plain_font);
	fLabelWidth = ceilf(font.StringWidth(fName));
	font_height fontHeight;
	font.GetHeight(&fontHeight);
	fLabelAscent = ceilf(fontHeight.ascent);
	fLabelDescent = ceilf(fontHeight.descent + fontHeight.leading);

	fOverriddenSelected = false;

	fExpanded = false;
	fArrowDirection = BControlLook::B_RIGHT_ARROW;
}


bool
TTeamMenuItem::_IsSelected() const
{
	return IsSelected() || fOverriddenSelected;
}