hvirtual/guicast/bctoggle.C

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#include "bcpixmap.h"
#include "bcresources.h"
#include "bcsignals.h"
#include "bctoggle.h"
#include "clip.h"
#include "colors.h"
#include "cursors.h"
#include "fonts.h"
#include "vframe.h"

#include <string.h>

BC_Toggle::BC_Toggle(int x, int y, 
                VFrame **data, 
                int value, 
                char *caption,
                int bottom_justify, 
                int font,
                int color)
 : BC_SubWindow(x, y, 0, 0, -1)
{
        this->data = data;
        for(int i = 0; i < 5; i++)
                images[i] = 0;
        bg_image = 0;
        status = value ? BC_Toggle::TOGGLE_CHECKED : BC_Toggle::TOGGLE_UP;
        this->value = value;
        strcpy(this->caption, caption);
        this->bottom_justify = bottom_justify;
        this->font = font;
        if(color >= 0)
                this->color = color;
        else
                this->color = get_resources()->default_text_color;
        select_drag = 0;
        enabled = 1;
        underline = -1;
        is_radial = 0;
}


BC_Toggle::~BC_Toggle()
{
        for(int i = 0; i < 5; i++) if(images[i]) delete images[i];
        delete bg_image;
}


int BC_Toggle::initialize()
{
// Get the image
        set_images(data);
        calculate_extents(this,
                data,
                bottom_justify,
                &text_line,
                &w,
                &h,
                &toggle_x,
                &toggle_y,
                &text_x, 
                &text_y,
                &text_w,
                &text_h, 
                has_caption() ? caption : 0);

// Create the subwindow
        BC_SubWindow::initialize();
        set_cursor(UPRIGHT_ARROW_CURSOR);
// Display the bitmap
        draw_face();
        return 0;
}


void BC_Toggle::calculate_extents(BC_WindowBase *gui, 
        VFrame **images,
        int bottom_justify,
        int *text_line,
        int *w,
        int *h,
        int *toggle_x,
        int *toggle_y,
        int *text_x,
        int *text_y, 
        int *text_w,
        int *text_h, 
        char *caption)
{
        BC_Resources *resources = get_resources();
        VFrame *frame = images[0];
        *w = frame->get_w();
        *h = frame->get_h();
        *toggle_x = 0;
        *toggle_y = 0;
        *text_x = *w + 5;
        *text_y = 0;
        *text_w = 0;
        *text_h = 0;

        if(caption)
        {
                *text_w = gui->get_text_width(MEDIUMFONT, caption);
                *text_h = gui->get_text_height(MEDIUMFONT);

                if(resources->toggle_highlight_bg)
                {
                        *text_w += resources->toggle_text_margin * 2;
                        *text_h = MAX(*text_h, resources->toggle_highlight_bg->get_h());
                }

                if(*text_h > *h)
                {
                        *toggle_y = (*text_h - *h) >> 1;
                        *h = *text_h;
                }
                else
                        *text_y = (*h - *text_h) >> 1;

                if(bottom_justify)
                {
                        *text_y = *h - *text_h;
                        *text_line = *h - gui->get_text_descent(MEDIUMFONT);
                }
                else
                        *text_line = *text_y + gui->get_text_ascent(MEDIUMFONT);

                *w = *text_x + *text_w;
        }


}


int BC_Toggle::set_images(VFrame **data)
{
        delete bg_image;
        bg_image = 0;
        for(int i = 0; i < 5; i++)
        {
                if(images[i]) delete images[i];
                images[i] = new BC_Pixmap(top_level, data[i], PIXMAP_ALPHA);
        }
        BC_Resources *resources = get_resources();
        if(resources->toggle_highlight_bg)
        {
                bg_image = new BC_Pixmap(top_level, 
                        resources->toggle_highlight_bg, 
                        PIXMAP_ALPHA);
        }
        return 0;
}

void BC_Toggle::set_underline(int number)
{
        this->underline = number;
}


void BC_Toggle::set_select_drag(int value)
{
        this->select_drag = value;
}

int BC_Toggle::draw_face()
{
        BC_Resources *resources = get_resources();
        draw_top_background(parent_window, 0, 0, get_w(), get_h());
        if(has_caption())
        {
                if(enabled &&
                        (status == BC_Toggle::TOGGLE_UPHI || 
                                status == BC_Toggle::TOGGLE_DOWN || 
                                status == BC_Toggle::TOGGLE_CHECKEDHI))
                {
// Draw highlight image
                        if(bg_image)
                        {
                                int x = text_x;
                                int y = text_line - get_text_ascent(MEDIUMFONT) / 2 - 
                                                bg_image->get_h() / 2;
                                int w = text_w;
                                draw_3segmenth(x, 
                                        y, 
                                        w,
                                        bg_image);
                        }
                        else
// Draw a plain box
                        {
                                set_color(LTGREY);
                                draw_box(text_x, 
                                        text_line - get_text_ascent(MEDIUMFONT), 
                                        get_w() - text_x, 
                                        get_text_height(MEDIUMFONT));
                        }
                }

                set_opaque();
                if(enabled)
                        set_color(color);
                else
                        set_color(MEGREY);
                set_font(font);
                draw_text(text_x + resources->toggle_text_margin, 
                        text_line, 
                        caption);

// Draw underline
                if(underline >= 0)
                {
                        int x = text_x + resources->toggle_text_margin;
                        int y = text_line + 1;
                        int x1 = get_text_width(current_font, caption, underline) + x;
                        int x2 = get_text_width(current_font, caption, underline + 1) + x;
                        draw_line(x1, y, x2, y);
                        draw_line(x1, y + 1, (x2 + x1) / 2, y + 1);
                }
        }

        draw_pixmap(images[status]);
        flash();
        return 0;
}

void BC_Toggle::enable()
{
        enabled = 1;
        if(parent_window) draw_face();
}

void BC_Toggle::disable()
{
        enabled = 0;
        if(parent_window) draw_face();
}

void BC_Toggle::set_status(int value)
{
        this->status = value;
}


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

int BC_Toggle::cursor_enter_event()
{
        if(top_level->event_win == win && enabled)
        {
                tooltip_done = 0;
                if(top_level->button_down)
                        status = BC_Toggle::TOGGLE_DOWN;
                else
                        status = value ? BC_Toggle::TOGGLE_CHECKEDHI : BC_Toggle::TOGGLE_UPHI;
                draw_face();
        }
        return 0;
}

int BC_Toggle::cursor_leave_event()
{
        hide_tooltip();
        if(!value && status == BC_Toggle::TOGGLE_UPHI)
        {
                status = BC_Toggle::TOGGLE_UP;
                draw_face();
        }
        else
        if(status == BC_Toggle::TOGGLE_CHECKEDHI)
        {
                status = BC_Toggle::TOGGLE_CHECKED;
                draw_face();
        }
        return 0;
}

int BC_Toggle::button_press_event()
{
        hide_tooltip();
        if(top_level->event_win == win && get_buttonpress() == 1 && enabled)
        {
                status = BC_Toggle::TOGGLE_DOWN;

// Change value now for select drag mode.
// Radial always goes to 1
                if(select_drag)
                {
                        if(!is_radial)
                                value = !value;
                        else
                                value = 1;
                        top_level->toggle_drag = 1;
                        top_level->toggle_value = value;
                        handle_event();
                }

                draw_face();
                return 1;
        }
        return 0;
}

int BC_Toggle::button_release_event()
{
        int result = 0;
        hide_tooltip();

        if(top_level->event_win == win)
        {
// Keep value regardless of status if drag mode.
                if(select_drag)
                {
                        if(value)
                                status = BC_Toggle::TOGGLE_CHECKEDHI;
                        else
                                status = BC_Toggle::TOGGLE_UPHI;
                        top_level->toggle_drag = 0;
                }
                else
// Change value only if button down for default mode.
                if(status == BC_Toggle::TOGGLE_DOWN)
                {
// Radial always goes to 1.
                        if(!value || is_radial)
                        {
                                status = BC_Toggle::TOGGLE_CHECKEDHI;
                                value = 1;
                        }
                        else
                        {
                                status = BC_Toggle::TOGGLE_UPHI;
                                value = 0;
                        }
                        result = handle_event();
                }
                draw_face();
                return result;
        }
        return 0;
}

int BC_Toggle::cursor_motion_event()
{
        if(top_level->button_down && 
                top_level->event_win == win && 
                !cursor_inside())
        {
                if(status == BC_Toggle::TOGGLE_DOWN)
                {
                        if(value)
                                status = BC_Toggle::TOGGLE_CHECKED;
                        else
                                status = BC_Toggle::TOGGLE_UP;
                        draw_face();
                }
                else
                if(status == BC_Toggle::TOGGLE_UPHI)
                {
                        status = BC_Toggle::TOGGLE_CHECKEDHI;
                        draw_face();
                }
        }
        return 0;
}

int BC_Toggle::get_value()
{
        return value;
}

int BC_Toggle::set_value(int value, int draw)
{
        if(value != this->value)
        {
                this->value = value;
                if(value) 
                {
                        switch(status)
                        {
                                case BC_Toggle::TOGGLE_UP:
                                        status = BC_Toggle::TOGGLE_CHECKED;
                                        break;
                                case BC_Toggle::TOGGLE_UPHI:
                                        status = BC_Toggle::TOGGLE_CHECKEDHI;
                                        break;
                        }
                }
                else
                switch(status)
                {
                        case BC_Toggle::TOGGLE_CHECKED:
                                status = BC_Toggle::TOGGLE_UP;
                                break;
                        case BC_Toggle::TOGGLE_CHECKEDHI:
                                status = BC_Toggle::TOGGLE_UPHI;
                                break;
                }
                if(draw) draw_face();
        }
        return 0;
}

int BC_Toggle::update(int value, int draw)
{
        return set_value(value, draw);
}

void BC_Toggle::reposition_window(int x, int y)
{
        BC_WindowBase::reposition_window(x, y);
        draw_face();
}


int BC_Toggle::has_caption()
{
        return (caption != 0 && caption[0] != 0);
}

BC_Radial::BC_Radial(int x, 
        int y, 
        int value, 
        char *caption, 
        int font,
        int color)
 : BC_Toggle(x, 
        y, 
        BC_WindowBase::get_resources()->radial_images, 
        value, 
        caption, 
        0, 
        font,
        color)
{
        is_radial = 1;
}

BC_CheckBox::BC_CheckBox(int x, 
        int y, 
        int value, 
        char *caption, 
        int font,
        int color)
 : BC_Toggle(x, 
        y, 
        BC_WindowBase::get_resources()->checkbox_images, 
        value, 
        caption, 
        0, 
        font,
        color)
{
        this->value = 0;
}

BC_CheckBox::BC_CheckBox(int x, 
        int y, 
        int *value, 
        char *caption, 
        int font,
        int color)
 : BC_Toggle(x, 
        y, 
        BC_WindowBase::get_resources()->checkbox_images, 
        *value, 
        caption, 
        1, 
        font,
        color)
{
        this->value = value;
}

int BC_CheckBox::handle_event()
{
        *value = get_value();
        return 1;
}



BC_Label::BC_Label(int x, 
        int y, 
        int value, 
        int font,
        int color)
 : BC_Toggle(x, 
        y, 
        BC_WindowBase::get_resources()->label_images, 
        value, 
        "", 
        0, 
        font,
        color)
{
}

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