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/* $Id: menubuttons.c,v 1.2 2004-05-20 16:55:30 stpohle Exp $
* Menuhandling: buttons */
#include "basic.h"
#include "bomberclone.h"
#include "menu.h"
#include "menugui.h"
/* create a button only in the menudatas.. darf all this only when menu_loop
* is called */
_menuitem *menu_create_button (_menu *menu, char *name, int x, int y, int w, int id) {
_menuitem *m = menuitem_findfree (menu);
if (m == NULL) return NULL;
m->type = MENU_button;
m->pos.w = (1 + (int)((w - menubuttonimages[0][0]->w - menubuttonimages[0][2]->w) / menubuttonimages[0][1]->w)) * menubuttonimages[0][1]->w + menubuttonimages[0][0]->w + menubuttonimages[0][2]->w;
if (x != -1)
m->pos.x = x;
else
m->pos.x = (menu->oldscreenpos.w - 2 * menuimages[0]->w - m->pos.w) / 2;
m->pos.y = y;
m->state = 0;
m->id = id;
strncpy (m->label, name, MENU_TITLELEN);
return m;
};
/* draw the menuitem button or bool
* menuitem->pos.[x|y|w] - Position and X-Size inside the menu
* label - Text of the Button/Bool
*/
void menu_draw_button (_menuitem *mi) {
int px, py, i;
SDL_Rect dest;
if (mi->type != MENU_button && mi->type != MENU_bool)
return;
dest.x = mi->pos.x;
dest.y = mi->pos.y;
dest.w = mi->pos.w;
dest.h = menubuttonimages[0][0]->h;
menu_draw_background ((_menu *)mi->menu, &dest);
/* check the focus of the button */
if (((_menu *)mi->menu)->focusvis && mi == ((_menu *)mi->menu)->focus)
mi->state = 1;
else if (mi->type == MENU_bool && (*((int*) mi->ptrdata)) > 0)
mi->state = 2; // bool
else
mi->state = 0; // button or bool == FALSE
// draw the left side of the button
dest.x = MENUOFFSET_X(((_menu *)mi->menu)) + mi->pos.x;
dest.y = MENUOFFSET_Y(((_menu *)mi->menu)) + mi->pos.y;
dest.w = menubuttonimages[mi->state][0]->w;
dest.h = menubuttonimages[mi->state][0]->h;
gfx_blit (menubuttonimages[mi->state][0], NULL, gfx.screen, &dest, 10000);
// draw the center of the button
for (i = 0; i < ((mi->pos.w - (menubuttonimages[mi->state][0]->w + menubuttonimages[mi->state][2]->w)) / menubuttonimages[mi->state][1]->w); i++) {
dest.x = MENUOFFSET_X(((_menu *)mi->menu)) + mi->pos.x + menubuttonimages[mi->state][0]->w + (i * menubuttonimages[mi->state][1]->w);
dest.y = MENUOFFSET_Y(((_menu *)mi->menu)) + mi->pos.y;
dest.w = menubuttonimages[mi->state][1]->w;
dest.h = menubuttonimages[mi->state][1]->h;
gfx_blit (menubuttonimages[mi->state][1], NULL, gfx.screen, &dest, 10000);
}
// draw the right side of the button
dest.x = MENUOFFSET_X(((_menu *)mi->menu)) + mi->pos.x + mi->pos.w - menubuttonimages[mi->state][2]->w;
dest.y = MENUOFFSET_Y(((_menu *)mi->menu)) + mi->pos.y;
dest.w = menubuttonimages[mi->state][2]->w;
dest.h = menubuttonimages[mi->state][2]->h;
gfx_blit (menubuttonimages[mi->state][2], NULL, gfx.screen, &dest, 10000);
// calculate the center of the button
px = (mi->pos.w - (strlen (mi->label) * font[MENU_BUTTON_FONTSIZE].size.x)) / 2 + mi->pos.x;
py = (menubuttonimages[mi->state][0]->h - font[MENU_BUTTON_FONTSIZE].size.y) / 2 + mi->pos.y;
if (mi->type == MENU_bool && mi->state == 2) // disabled bool == FALSE
font_gfxdraw (MENUOFFSET_X(((_menu *)mi->menu)) + px, MENUOFFSET_Y(((_menu *)mi->menu)) + py, mi->label, MENU_BUTTON_FONTSIZE, COLOR_black, 10000);
else
font_gfxdraw (MENUOFFSET_X(((_menu *)mi->menu)) + px, MENUOFFSET_Y(((_menu *)mi->menu)) + py, mi->label, MENU_BUTTON_FONTSIZE, COLOR_yellow, 10000);
};
/* handle the event on the button
* Return: 1 - if the button was pressed (With Enter) */
int menu_event_button (_menuitem *mi, SDL_Event *event) {
switch (event->type) {
case (SDL_KEYDOWN): /* key was pressed */
if (event->key.keysym.sym == SDLK_LEFT || event->key.keysym.sym == SDLK_UP)
menu_focus_prev ((_menu *)mi->menu);
else if (event->key.keysym.sym == SDLK_RIGHT || event->key.keysym.sym == SDLK_DOWN)
menu_focus_next ((_menu *)mi->menu);
else if (event->key.keysym.sym == SDLK_RETURN || event->key.keysym.sym == SDLK_KP_ENTER || event->key.keysym.sym == SDLK_LCTRL || event->key.keysym.sym == SDLK_RCTRL)
return 1;
break;
}
return 0;
};
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