pgmenubar.cpp

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#include "pgmenubar.h"
#include "pgbutton.h"
#include "pgpopupmenu.h"
#include "pglog.h"
#include "pgapplication.h"
#include "pgeventsupplier.h"

PG_MenuBar::PG_MenuBar(PG_Widget* parent, const PG_Rect& rect, const std::string& style) : PG_ThemeWidget(parent, rect, style) {
        my_btnOffsetY = 2;
        my_style = style;
        my_active = NULL;
}

PG_MenuBar::~PG_MenuBar() {
        Cleanup();
}

void PG_MenuBar::Add(const std::string& text, PG_PopupMenu* menu, Uint16 indent, Uint16 width) {
        MenuBarItem* last = NULL;
        Uint16 xpos = 0;
        Uint16 height = 0;

        if(menu == NULL) {
                return;
        }

        if(ItemList.size() > 0) {
                last = ItemList.back();
        }

        if(last != NULL) {
                xpos = (last->button->x + last->button->w) - my_xpos;
        }

        xpos += indent;

        if(width == 0) {
                GetTextSize(width, height, text);
                width += 6;
        }

        last = new MenuBarItem;

        last->button = new PG_Button(
                           this,
                           PG_Rect(xpos, my_btnOffsetY, width, my_height - my_btnOffsetY*2),
                           text, -1,
                           my_style);

        last->button->SetBehaviour( PG_Button::SIGNALONCLICK );
        last->button->SetFontSize(GetFontSize());

        last->button->sigClick.connect(slot(*this, &PG_MenuBar::handle_button), (PG_Pointer)last);
        last->button->sigMouseLeave.connect(slot(*this, &PG_MenuBar::leaveButton), (PG_Pointer)last );
        last->button->sigMouseEnter.connect(slot(*this, &PG_MenuBar::enterButton), (PG_Pointer)last );
   last->button->activateHotkey( getHotkeyModifier() );

        last->popupmenu = menu;

        ItemList.push_back(last);

   menu->sigSelectMenuItem.connect( SigC::slot( *this, &PG_MenuBar::deactivateItem ));
}

bool PG_MenuBar::deactivateItem()
{
   my_active->Hide();
   my_active = NULL;
   return true;
}


bool PG_MenuBar::leaveButton( PG_Pointer last ) {
        MenuBarItem* item = static_cast<MenuBarItem*>(last);
        if( my_active ) {
                if ( my_active->IsMouseInside() ) {
                        my_active->trackMenu( item->button->x, item->button->y + item->button->h );
                } else {
                        my_active->Hide();
                        my_active = NULL;
                }
        }
        return true;
}

bool PG_MenuBar::enterButton( PG_Pointer last ) {
        MenuBarItem* item = static_cast<MenuBarItem*>(last);
        int x, y;
        if ( PG_Application::GetEventSupplier()->GetMouseState(x,y) & SDL_BUTTON_LEFT ) {
                handle_button( item->button, last );
        }
        return true;
}


bool PG_MenuBar::handle_button(PG_Button* button, PG_Pointer last) {
        MenuBarItem* item = static_cast<MenuBarItem*>(last);

        // check if we are visible
        if(item->popupmenu->IsVisible()) {
                item->popupmenu->Hide();
                my_active = NULL;
                return true;
        }

        if(my_active != NULL) {
                my_active->Hide();
                my_active = NULL;
        }

        my_active = item->popupmenu;
        my_active->openMenu(button->x, button->y + button->h);

        return true;
}

void PG_MenuBar::Cleanup() {
        for(std::vector<MenuBarItem*>::iterator i = ItemList.begin(); i != ItemList.end(); i = ItemList.begin()) {
                delete (*i)->button;
                delete (*i);
                ItemList.erase(i);
        }
}

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