root/window/menuitem.cc

/*
 * Copyright (c) 2004-2006  Kazunori "jagarl" Ueno
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


#include "menuitem.h"

#define Button WidButton
#define Scale WidScale
#define Label WidLabel
#define TextButton WidTextButton
#define Text WidText

#define MenuItem WidMenuItem
#define RadioGroup WidRadioGroup
#define ScaleMenu WidScaleMenu
void fill(Surface* src, const Rect& rect, int r, int g, int b, int a = 0xff);

MenuItem::MenuItem(PicContainer* parent, const Rect& r_orig, int _x_size, int _y_size, int* _value_ptr) :
                x_size(_x_size), y_size(_y_size), value_ptr(_value_ptr), set_func(0), set_pointer(0) {
        SetPic(parent->create_node(r_orig, 0));
        menu_width = r_orig.width();
        menu_height = r_orig.height();
        label = NULL;
        lb_width  = 0; lb_right = 0;
        lb_left = -1; lb_bottom = -1;
        int i;
        for (i=0; i<x_size*y_size; i++) item.push_back(0);
}

void MenuItem::SetLabelLeft(PicWidget* lb, const Rect& min_rect, const Rect& min_margin) {
        lb_width = min_rect.width();
        lb_right = min_margin.width();
        lb_left = -1;
        lb_bottom = -1;
        label = lb;
}

void MenuItem::SetLabelTop(PicWidget* lb, const Rect& left_margin, const Rect& bottom_margin) {
        lb_left = left_margin.width();
        lb_bottom = bottom_margin.height();
        lb_width = -1;
        lb_right = -1;
        label = lb;
}

void MenuItem::SetValue(int new_value) {
        SetValueImpl(new_value);
        if (value_ptr) *value_ptr = new_value;
        if (set_func) (*set_func)(set_pointer, this);
}

void MenuItem::activate(void) {
        iterator it;
        for (it=item.begin(); it!=item.end(); it++) {
                if (*it == NULL) continue;
                (*it)->activate();
        }
}

void MenuItem::deactivate(void) {
        iterator it;
        for (it=item.begin(); it!=item.end(); it++) {
                if (*it == NULL) continue;
                (*it)->deactivate();
        }
}

void MenuItem::pack(void) {
        int x_min = 0, y_min = 0;
        if (lb_width == -1) { // 䞊にラベルを貌る
                if (lb_left < 0) lb_left = 0;
                if (lb_bottom < 0) lb_bottom = 0;
                if (label && label->Pic()) {
                        label->Pic()->Move(lb_left, 0);
                        y_min = lb_bottom + label->Pic()->Height();
                } else {
                        y_min = lb_bottom;
                }
        } else { // 巊にラベルを貌る
                if (lb_right < 0) lb_right = 0;
                if (label && label->Pic()) {
                        int label_width = label->Pic()->Width();
                        int label_height = label->Pic()->Height();
                        if (label_width > lb_width - lb_right) {
                                x_min = label_width + lb_right;
                        } else {
                                x_min = lb_width;
                        }
                } else {
                        x_min = lb_width;
                }
        }
        int* item_width = new int[x_size];
        int* item_height = new int[y_size];
        int* item_x = new int[x_size];
        int* item_y = new int[y_size];
        int i, j;
        for (i=0; i<x_size; i++) item_width[i]=0;
        for (i=0; i<y_size; i++) item_height[i]=0;
        
        iterator it = item.begin();
        for (i=0; i<y_size; i++) {
                for (j=0; j<x_size; j++) {
                        if (*it != NULL && (*it)->Pic() != NULL) {
                                PicBase* pic = (*it)->Pic();
                                if (item_width[j] < pic->Width()) item_width[j] = pic->Width();
                                if (item_height[i] < pic->Height()) item_height[i] = pic->Height();
                        }
                        it++;
                }
        }
        int width=0, height=0;
        for (i=0; i<x_size; i++) {
                width += item_width[i];
        }
        for (i=0; i<y_size; i++) {
                height += item_height[i];
        }

        int x=x_min, y=y_min;
        // width / height の再割り圓お
        if (menu_width > width + x_min) {
                int dif = menu_width - width - x_min;
                int n = x_size + 1;
                x += dif/n;
                for (i=0; i<x_size; i++) {
                        item_x[i] = x + item_width[i] / 2;
                        x += item_width[i] + dif*(i+2)/n - dif*(i+1)/n;
                }
        } else {
                if (menu_width == 0) {
                        Pic()->SetSurfaceRect(Rect(0, 0, width+x_min, Pic()->Height()));
                }
                for (i=0; i<x_size; i++) {
                        item_x[i] = x + item_width[i] / 2;
                        x += item_width[i];
                }
        }
        if (menu_height > height+y_min) {
                int dif = menu_height - height - y_min;
                int n = y_size + 1;
                y += dif/n;
                for (i=0; i<y_size; i++) {
                        item_y[i] = y + item_height[i] / 2;
                        y += item_height[i] + dif*(i+2)/n - dif*(i+1)/n;
                }
        } else {
                if (menu_height == 0) {
                        Pic()->SetSurfaceRect(Rect(0, 0, Pic()->Width(), height+y_min));
                }
                for (i=0; i<y_size; i++) {
                        item_y[i] = y + item_height[i] / 2;
                        y += item_height[i];
                }
        }
        // 䜍眮の再割り圓お
        it = item.begin();
        for (i=0; i<y_size; i++) {
                for (j=0; j<x_size; j++) {
                        if (*it != NULL && (*it)->Pic() != NULL) {
                                PicBase* pic = (*it)->Pic();
                                int x0 = item_x[j]-pic->Width()/2;
                                int y0 = item_y[i]-pic->Height()/2;
                                pic->Move(x0, y0);
                        }
                        it++;
                }
        }
        // å·Šã«ãƒ©ãƒ™ãƒ«ãŒã‚ã‚‹å Žåˆã€ãƒ©ãƒ™ãƒ«ã®é«˜ã•æ–¹å‘ã®ã‚»ãƒ³ã‚¿ãƒªãƒ³ã‚°
        if (label && label->Pic() && lb_width != -1) {
                int label_width = label->Pic()->Width();
                int label_height = label->Pic()->Height();
                label->Pic()->Move(x_min-label_width-lb_right, (Pic()->Height() - label_height) / 2);
        }

        delete[] item_width;
        delete[] item_height;
        delete[] item_x;
        delete[] item_y;
}

RadioButton::RadioButton(Event::Container& _container, PicContainer* _parent, const Rect& r_orig, int _x_size, int _y_size, int* _value_ptr, const Rect& _button_r, int _text_size, const Color& _fore, const Color& _pressed, const Color& _back) :
        MenuItem(_parent, r_orig, _x_size, _y_size,_value_ptr),
        container(_container), parent(_parent), text_size(_text_size), button_rect(_button_r), buttons(0),
        fore_color(_fore), pressed_color(_pressed), back_color(_back) {
}

void RadioButton::Add(const char* s, bool is_center) {
        Add(s, fore_color, pressed_color, back_color, is_center);
}

void RadioButton::Add(const char* s, const Color& fore, const Color& pressed, const Color& back, bool is_center) {
        if (buttons >= x_size*y_size) {
                fprintf(stderr,"too many buttons (%d/%d) in RadioButton::Add ; text = %s\n",x_size,y_size,s);
                return;
        }
        TextButton* wid = new TextButton(container, PicNode(), s, text_size, TextButton::Attribute(is_center ? TextButton::CENTER : 0), button_rect, 1, fore, pressed, back);

        wid->press_func = &PressCallback;
        wid->press_pointer = (void*)this;

        if (value_ptr && buttons == *value_ptr) wid->Toggle(true);
        int x_pos, y_pos;
        if (y_size == 0) x_pos=buttons;
        else x_pos = buttons / y_size, y_pos = buttons % y_size;
        item[x_pos + y_pos*x_size] = wid;
        buttons++;
}

void RadioButton::PressCallback(void* pointer, Button* from) {
        RadioButton* wid = (RadioButton*)pointer;
        int i;
        for (i=0; i<wid->x_size*wid->y_size; i++) {
                if (from == wid->item[i]) {
                        wid->SetValue(i);
                        return;
                }
        }
}

void RadioButton::SetValueImpl(int new_value) {
        int i;
        for (i=0; i<x_size*y_size; i++) {
                Button* wid = dynamic_cast<Button*>(item[i]);
                if (wid != NULL) {
                        if (i == new_value) wid->Toggle(true);
                        else wid->Toggle(false);
                }
        }
}