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path: root/src/widget/widget_button.c
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#include <stdlib.h>
#include <assert.h>

#include "main.h"

#include "interface.h"
#include "image.h"
#include "font.h"

#include "widget.h"
#include "widget_button.h"

widget_t *
newWidgetButton(char *text, int x, int y, void (*fce_event) (void *))
{
   widget_button_t *new;

   new = malloc(sizeof(widget_button_t));
   new->text = strdup(text);
   new->fce_event = fce_event;
   getTextSize(text, &(new->w), &(new->h));

   return newWidget(WIDGET_TYPE_BUTTON, x, y, WIDGET_BUTTON_WIDTH,
                    WIDGET_BUTTON_HEIGHT, new);
}

void
drawWidgetButton(widget_t * widget)
{
   widget_button_t *p;
   static image_t *g_button0 = NULL;
   static image_t *g_button1 = NULL;
   int x, y;

   assert(widget != NULL);
   assert(widget->type == WIDGET_TYPE_BUTTON);

   p = (widget_button_t *) widget->private_data;
   getMousePosition(&x, &y);

   if (g_button0 == NULL) {
      g_button0 =
         addImageData("button0.png", IMAGE_ALPHA, "button0",
                      IMAGE_GROUP_BASE);
   }

   if (g_button1 == NULL) {
      g_button1 =
         addImageData("button1.png", IMAGE_ALPHA, "button1",
                      IMAGE_GROUP_BASE);
   }

   if (x >= widget->x && x <= widget->x + WIDGET_BUTTON_WIDTH &&
       y >= widget->y && y <= widget->y + WIDGET_BUTTON_HEIGHT) {
      drawImage(g_button1, widget->x, widget->y, 0, 0, g_button0->w,
                g_button0->h);
   }
   else {
      drawImage(g_button0, widget->x, widget->y, 0, 0, g_button0->w,
                g_button0->h);
   }

   //drawFont(p->text, p->x+WIDGET_BUTTON_WIDTH/2-p->w/2, p->y+p->h/2, COLOR_WHITE);
   drawFont(p->text,
            widget->x + WIDGET_BUTTON_WIDTH / 2 - p->w / 2,
            widget->y + WIDGET_BUTTON_HEIGHT / 2 - p->h / 2, COLOR_WHITE);
}

void
eventWidgetButton(widget_t * widget)
{
   widget_button_t *p;
   static int time = 0;
   int x, y;

   assert(widget != NULL);
   assert(widget->type == WIDGET_TYPE_BUTTON);

   p = (widget_button_t *) widget->private_data;

   if (time > 0) {
      time--;
      return;
   }

   getMousePosition(&x, &y);

   if (x >= widget->x && x <= widget->x + WIDGET_BUTTON_WIDTH &&
       y >= widget->y && y <= widget->y + WIDGET_BUTTON_HEIGHT &&
       isMouseClicked()) {
      time = WIDGET_BUTTON_TIME;
#ifdef DEBUG
      printf(_("Event caught\n"));
#endif
      p->fce_event(widget);
   }
}

void
destroyWidgetButton(widget_t * widget)
{
   widget_button_t *p;

   assert(widget != NULL);
   assert(widget->type == WIDGET_TYPE_BUTTON);

   p = (widget_button_t *) widget->private_data;

   free(p->text);
   free(p);

   destroyWidget(widget);
}