hvirtual/guicast/bcpopupmenu.C

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#include "bcmenubar.h"
#include "bcmenuitem.h"
#include "bcmenupopup.h"
#include "bcpixmap.h"
#include "bcpopupmenu.h"
#include "bcresources.h"
#include "bcsignals.h"
#include "colors.h"
#include "fonts.h"
#include <string.h>
#include "vframe.h"

#define BUTTON_UP 0
#define BUTTON_HI 1
#define BUTTON_DN 2
#define TOTAL_IMAGES 3


#define TRIANGLE_W 10
#define TRIANGLE_H 10


BC_PopupMenu::BC_PopupMenu(int x, 
                int y, 
                int w, 
                char *text, 
                int use_title,
                VFrame **data,
                int margin)
 : BC_SubWindow(x, y, 0, 0, -1)
{
        highlighted = popup_down = 0;
        menu_popup = 0;
        icon = 0;
        if(margin >= 0)
                this->margin = margin;
        else
                this->margin = BC_WindowBase::get_resources()->popupmenu_margin;

        this->use_title = use_title;
        strcpy(this->text, text);
        for(int i = 0; i < TOTAL_IMAGES; i++)
        {
                images[i] = 0;
        }
        this->data = data;
        this->w_argument = w;
        status = BUTTON_UP;
}

BC_PopupMenu::BC_PopupMenu(int x, 
                int y, 
                char *text, 
                int use_title,
                VFrame **data)
 : BC_SubWindow(x, y, w, -1, -1)
{
        highlighted = popup_down = 0;
        menu_popup = 0;
        icon = 0;
        this->use_title = use_title;
        strcpy(this->text, text);
        for(int i = 0; i < TOTAL_IMAGES; i++)
        {
                images[i] = 0;
        }
        this->data = data;
        this->w_argument = 0;
        status = BUTTON_UP;
}

BC_PopupMenu::~BC_PopupMenu()
{
        if(menu_popup) delete menu_popup;
        for(int i = 0; i < TOTAL_IMAGES; i++)
        {
                if(images[i]) delete images[i];
        }
}

char* BC_PopupMenu::get_text()
{
        return text;
}

void BC_PopupMenu::set_text(char *text)
{
        if(use_title)
        {
                strcpy(this->text, text);
                draw_title();
        }
}

void BC_PopupMenu::set_icon(BC_Pixmap *icon)
{
        if(use_title)
        {
                this->icon = icon;
                if(menu_popup) draw_title();
        }
}

int BC_PopupMenu::initialize()
{
        if(use_title)
        {
                if(data)
                        set_images(data);
                else
                if(BC_WindowBase::get_resources()->popupmenu_images)
                        set_images(BC_WindowBase::get_resources()->popupmenu_images);
                else
                        set_images(BC_WindowBase::get_resources()->generic_button_images);
        }
        else
// Move outside window if no title
        {
                x = -10;
                y = -10;
                w = 10;
                h = 10;
        }

        BC_SubWindow::initialize();

        menu_popup = new BC_MenuPopup;
        menu_popup->initialize(top_level, 
                0, 
                0, 
                0, 
                this);

        if(use_title) draw_title();

        return 0;
}

int BC_PopupMenu::set_images(VFrame **data)
{
        BC_Resources *resources = get_resources();
        for(int i = 0; i < 3; i++)
        {
                if(images[i]) delete images[i];
                images[i] = new BC_Pixmap(parent_window, data[i], PIXMAP_ALPHA);
        }

        if(w_argument > 0)
                w = w_argument + 
                        margin +
                        resources->popupmenu_triangle_margin;
        else
                w = get_text_width(MEDIUMFONT, text) + 
                        margin +
                        resources->popupmenu_triangle_margin;

        h = images[BUTTON_UP]->get_h();
        return 0;
}

int BC_PopupMenu::calculate_h(VFrame **data)
{
        if(data)
                ;
        else
        if(BC_WindowBase::get_resources()->popupmenu_images)
                data = BC_WindowBase::get_resources()->popupmenu_images;
        else
                data = BC_WindowBase::get_resources()->generic_button_images;

        
        return data[BUTTON_UP]->get_h();
}

int BC_PopupMenu::add_item(BC_MenuItem *item)
{
        menu_popup->add_item(item);
        return 0;
}

int BC_PopupMenu::remove_item(BC_MenuItem *item)
{
        menu_popup->remove_item(item);
        return 0;
}

int BC_PopupMenu::total_items()
{
        return menu_popup->total_menuitems();
        return 0;
}

BC_MenuItem* BC_PopupMenu::get_item(int i)
{
        return menu_popup->menu_items.values[i];
}

int BC_PopupMenu::draw_title()
{
        if(!use_title) return 0;
        BC_Resources *resources = get_resources();

// Background
        draw_top_background(parent_window, 0, 0, w, h);
        draw_3segmenth(0, 0, w, images[status]);

// Overlay text
        set_color(get_resources()->popup_title_text);
        int offset = 0;
        if(status == BUTTON_DN)
                offset = 1;
        if(!icon)
        {
                set_font(MEDIUMFONT);
                BC_WindowBase::draw_center_text(
                        (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset, 
                        (int)((float)get_h() / 2 + get_text_ascent(MEDIUMFONT) / 2 - 2) + offset, 
                        text);
        }

        if(icon)
        {
                draw_pixmap(icon,
                        (get_w() - margin * 2 - resources->popupmenu_triangle_margin) / 2 + margin + offset - icon->get_w() / 2 ,
                        get_h() / 2 - icon->get_h() / 2 + offset);
        }

        draw_triangle_down_flat(get_w() - margin - resources->popupmenu_triangle_margin, 
                get_h() / 2 - TRIANGLE_H / 2, 
                TRIANGLE_W, TRIANGLE_H);

        flash();
        return 0;
}

int BC_PopupMenu::deactivate()
{
        if(popup_down)
        {
                top_level->active_popup_menu = 0;
                popup_down = 0;
                menu_popup->deactivate_menu();

                if(use_title) draw_title();    // draw the title
        }
        return 0;
}

int BC_PopupMenu::activate_menu()
{
        if(!popup_down)
        {
                int x = this->x;
                int y = this->y;

                top_level->deactivate();
                top_level->active_popup_menu = this;
                if(!use_title)
                {
                        x = top_level->get_abs_cursor_x(0) - get_w();
                        y = top_level->get_abs_cursor_y(0) - get_h();
                        button_press_x = top_level->cursor_x;
                        button_press_y = top_level->cursor_y;
                }

                button_releases = 0;
                if(use_title)
                {
                        Window tempwin;
                        int new_x, new_y, top_w, top_h;
                        XTranslateCoordinates(top_level->display, 
                                win, 
                                top_level->rootwin, 
                                0, 
                                0, 
                                &new_x, 
                                &new_y, 
                                &tempwin);
                        menu_popup->activate_menu(new_x, 
                                new_y, 
                                w, 
                                h, 
                                0, 
                                1);
                }
                else
                        menu_popup->activate_menu(x, y, w, h, 0, 1);
                popup_down = 1;
                if(use_title) draw_title();
        }
        return 0;
}

int BC_PopupMenu::deactivate_menu()
{
        deactivate();
        return 0;
}


int BC_PopupMenu::reposition_window(int x, int y)
{
        BC_WindowBase::reposition_window(x, y);
        draw_title();
        return 0;
}

int BC_PopupMenu::focus_out_event()
{
        deactivate();
        return 0;
}


int BC_PopupMenu::repeat_event(int64_t duration)
{
        if(duration == top_level->get_resources()->tooltip_delay &&
                tooltip_text[0] != 0 &&
                status == BUTTON_HI &&
                !tooltip_done)
        {
                show_tooltip();
                tooltip_done = 1;
                return 1;
        }
        return 0;
}

int BC_PopupMenu::button_press_event()
{
        int result = 0;

        if(get_buttonpress() == 1 &&
                is_event_win() && 
                use_title)
        {
                top_level->hide_tooltip();
                if(status == BUTTON_HI || status == BUTTON_UP) status = BUTTON_DN;
                activate_menu();
                draw_title();
                return 1;
        }

        // Scrolling section
        if (is_event_win() 
                && (get_buttonpress() == 4 || get_buttonpress() == 5) 
                && menu_popup->total_menuitems() > 1
        ) 
        { 
                int theval = -1;
                for (int i = 0; i < menu_popup->total_menuitems(); i++) {
                        if (!strcmp(menu_popup->menu_items.values[i]->get_text(),get_text())) {
                                theval=i; 
                                break;
                        }
                }

                if (theval == -1)                  theval=0;
                else if (get_buttonpress() == 4)   theval--;
                else if (get_buttonpress() == 5)   theval++;

                if (theval < 0)
                        theval=0;
                if (theval >= menu_popup->total_menuitems()) 
                        theval = menu_popup->total_menuitems() - 1;

                BC_MenuItem *tmp = menu_popup->menu_items.values[theval];
                set_text(tmp->get_text());
                if (!tmp->handle_event())
                        this->handle_event();
        }


        if(popup_down)
        {
// Menu is down so dispatch to popup.
                menu_popup->dispatch_button_press();
                return 1;
        }

        return 0;
}

int BC_PopupMenu::button_release_event()
{
// try the title
        int result = 0;

        button_releases++;

        if(is_event_win() && use_title)
        {
                hide_tooltip();
                if(status == BUTTON_DN)
                {
                        status = BUTTON_HI;
                        draw_title();
                }
        }

        if(popup_down)
        {
// Menu is down so dispatch to popup.
                result = menu_popup->dispatch_button_release();
        }

        if(popup_down && button_releases >= 2)
        {
                deactivate();
        }

        if(!result && use_title && cursor_inside() && is_event_win())
        {
                hide_tooltip();
                result = 1;
        }
        else
        if(!result && !use_title && popup_down && button_releases < 2)
        {
                result = 1;
        }


        if(!result && popup_down)
        {
// Button was released outside any menu.
                deactivate();
                result = 1;
        }

        return result;










        if(popup_down)
        {
// Menu is down so dispatch to popup.
                result = menu_popup->dispatch_button_release();
        }

        if(!result && use_title && cursor_inside() && top_level->event_win == win)
        {
// Inside title
                if(button_releases >= 2)
                {
                        highlighted = 1;
                        deactivate();
                }
                result = 1;
        }
        else
        if(!result && !use_title && button_releases < 2)
        {
// First release outside a floating menu
// Released outside a fictitious title area
//              if(top_level->cursor_x < button_press_x - 5 ||
//                      top_level->cursor_y < button_press_y - 5 ||
//                      top_level->cursor_x > button_press_x + 5 ||
//                      top_level->cursor_y > button_press_y + 5)       
                        deactivate();
                result = 1;
        }

        return result;
}

int BC_PopupMenu::translation_event()
{
//printf("BC_PopupMenu::translation_event 1\n");
        if(popup_down) menu_popup->dispatch_translation_event();
        return 0;
}

int BC_PopupMenu::cursor_leave_event()
{

        if(status == BUTTON_HI && use_title)
        {
                status = BUTTON_UP;
                draw_title();
                hide_tooltip();
        }

// dispatch to popup
        if(popup_down)
        {
                menu_popup->dispatch_cursor_leave();
        }

        return 0;
}


int BC_PopupMenu::cursor_enter_event()
{
        if(is_event_win() && use_title)
        {
                tooltip_done = 0;
                if(top_level->button_down)
                {
                        status = BUTTON_DN;
                }
                else
                if(status == BUTTON_UP) 
                        status = BUTTON_HI;
                draw_title();
        }

        return 0;
}

int BC_PopupMenu::cursor_motion_event()
{
        int result = 0;

// This menu is down.
        if(popup_down)
        {
                result = menu_popup->dispatch_motion_event();
        }

        if(!result && use_title && top_level->event_win == win)
        {
                if(highlighted)
                {
                        if(cursor_inside())
                        {
                                highlighted = 0;
                                draw_title();
                        }
                }
                else
                {
                        if(cursor_inside())
                        {
                                highlighted = 1;
                                draw_title();
                                result = 1;
                        }
                }
        }

        return result;
}

int BC_PopupMenu::drag_start_event()
{
//printf("BC_PopupMenu::drag_start_event %d\n", popup_down);
        if(popup_down) return 1;
        return 0;
}

int BC_PopupMenu::drag_stop_event()
{
        if(popup_down) return 1;
        return 0;
}

int BC_PopupMenu::drag_motion_event()
{
        if(popup_down) return 1;
        return 0;
}

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