94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
#include "gui.h"
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#include "gui_defs.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void add_child(gui *g, widget *_this, widget *child, int position)
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{
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LOGD("ADD_CHILD positioner\n");
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struct positioner_widget *this = _this;
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widget_add_child_internal(g, this, child, position);
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}
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static void del_child(gui *g, widget *_this, widget *child)
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{
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LOGD("DEL_CHILD positioner\n");
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struct positioner_widget *this = _this;
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widget_del_child_internal(g, this, child);
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}
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static void allocate(
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gui *_g, widget *_this, int x, int y, int width, int height)
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{
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LOGD("ALLOCATE positioner %p\n", _this);
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struct gui *g = _g;
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struct positioner_widget *this = _this;
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struct widget_list *l = this->common.children;
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int cwidth, cheight;
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this->common.x = x;
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this->common.y = y;
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this->common.width = width;
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this->common.height = height;
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if (l != NULL) {
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l->item->hints(g, l->item, &cwidth, &cheight);
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l->item->allocate(g, l->item, x+(width-cwidth)/2, y+(height-cheight)/2,
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cwidth, cheight);
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}
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}
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static void hints(gui *_gui, widget *_w, int *width, int *height)
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{
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LOGD("HINTS positioner %p\n", _w);
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struct gui *g = _gui;
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struct positioner_widget *this = _w;
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struct widget_list *l = this->common.children;
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if (l != NULL)
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l->item->hints(g, l->item, width, height);
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else { *width = *height = 1; }
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}
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static void button(gui *_g, widget *_this, int x, int y,
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int key_modifiers, int button, int up)
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{
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LOGD("BUTTON positioner %p xy %d %d button %d up %d\n", _this, x, y, button, up);
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struct gui *g = _g;
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struct positioner_widget *this = _this;
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struct widget_list *l = this->common.children;
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if (l != NULL)
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l->item->button(g, l->item, x, y, key_modifiers, button, up);
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}
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static void paint(gui *_gui, widget *_this)
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{
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LOGD("PAINT positioner\n");
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struct gui *g = _gui;
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struct widget *this = _this;
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struct widget_list *l = this->children;
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if (l != NULL)
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l->item->paint(g, l->item);
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}
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widget *new_positioner(gui *_gui)
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{
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struct gui *g = _gui;
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struct positioner_widget *w;
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glock(g);
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w = new_widget(g, POSITIONER, sizeof(struct positioner_widget));
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w->common.paint = paint;
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w->common.add_child = add_child;
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w->common.del_child = del_child;
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w->common.allocate = allocate;
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w->common.hints = hints;
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w->common.button = button;
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gunlock(g);
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return w;
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}
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