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widgets.c
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/*
harris - a strategy game
Copyright (C) 2012-2015 Edward Cree
licensed under GPLv3+ - see top of harris.c for details
widgets: defines custom libatg widgets
*/
#include "widgets.h"
#include <atg_internals.h>
#include "bits.h"
#include "date.h"
#include "globals.h"
#include "render.h"
const char *prio_labels[4]={"NONE","LOW","MED","HIGH"};
atg_colour prio_colours[4]={{31, 31, 95, 0}, {95, 31, 31, 0}, {95, 95, 15, 0}, {31, 159, 31, 0}};
SDL_Surface *priority_selector_render_callback(const struct atg_element *e);
void priority_selector_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff);
atg_element *create_priority_selector(unsigned int *prio)
{
atg_element *rv=atg_create_element_box(ATG_BOX_PACK_HORIZONTAL, (atg_colour){63, 63, 63, ATG_ALPHA_OPAQUE});
if(!rv) return(NULL);
rv->type="priority_selector";
rv->match_click_callback=priority_selector_match_click_callback;
rv->render_callback=priority_selector_render_callback;
for(unsigned int i=0;i<4;i++)
{
atg_colour fg=prio_colours[i];
atg_element *btn=atg_create_element_button(prio_labels[i], fg, (atg_colour){63, 63, 63, ATG_ALPHA_OPAQUE});
if(!btn)
{
atg_free_element(rv);
return(NULL);
}
if(atg_ebox_pack(rv, btn))
{
atg_free_element(btn);
atg_free_element(rv);
return(NULL);
}
}
rv->userdata=prio;
return(rv);
}
SDL_Surface *priority_selector_render_callback(const struct atg_element *e)
{
if(!e) return(NULL);
atg_box *b=e->elemdata;
if(!b) return(NULL);
if(!b->elems) return(NULL);
for(unsigned int i=0;i<b->nelems;i++)
{
atg_button *button=b->elems[i]->elemdata;
if(e->userdata)
{
if(*(unsigned int *)e->userdata==i)
button->content->bgcolour=(atg_colour){159, 159, 159, ATG_ALPHA_OPAQUE};
else
button->content->bgcolour=(atg_colour){31, 31, 31, ATG_ALPHA_OPAQUE};
}
else
button->content->bgcolour=(atg_colour){63, 63, 63, ATG_ALPHA_OPAQUE};
}
return(atg_render_box(e));
}
void priority_selector_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff)
{
atg_box *b=element->elemdata;
if(!b->elems) return;
struct atg_event_list sub_list={.list=NULL, .last=NULL};
for(unsigned int i=0;i<b->nelems;i++)
atg__match_click_recursive(&sub_list, b->elems[i], button, xoff+element->display.x, yoff+element->display.y);
unsigned int oldval=0;
if(element->userdata) oldval=*(unsigned int *)element->userdata;
while(sub_list.list)
{
atg_event event=sub_list.list->event;
if(event.type==ATG_EV_TRIGGER)
{
if(event.event.trigger.button==ATG_MB_LEFT)
{
for(unsigned int i=0;i<b->nelems;i++)
{
if(event.event.trigger.e==b->elems[i])
{
if(element->userdata) *(unsigned int *)element->userdata=i;
}
}
}
else if(event.event.trigger.button==ATG_MB_SCROLLDN)
{
if(element->userdata) *(unsigned int *)element->userdata=(1+*(unsigned int *)element->userdata)%b->nelems;
}
else if(event.event.trigger.button==ATG_MB_SCROLLUP)
{
if(element->userdata) *(unsigned int *)element->userdata=(b->nelems-1+*(unsigned int *)element->userdata)%b->nelems;
}
}
atg__event_list *next=sub_list.list->next;
free(sub_list.list);
sub_list.list=next;
}
if(element->userdata&&(*(unsigned int *)element->userdata!=oldval))
atg__push_event(list, (atg_event){.type=ATG_EV_VALUE, .event.value=(atg_ev_value){.e=element, .value=*(unsigned int *)element->userdata}});
}
SDL_Surface *filter_switch_render_callback(const struct atg_element *e);
void filter_switch_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff);
atg_element *create_filter_switch(SDL_Surface *icon, int *value)
{
atg_element *rv=atg_create_element_image(icon);
if(!rv) return(NULL);
rv->type="filter_switch";
rv->match_click_callback=filter_switch_match_click_callback;
rv->render_callback=filter_switch_render_callback;
rv->userdata=value;
return(rv);
}
SDL_Surface *filter_switch_render_callback(const struct atg_element *e)
{
if(!e) return(NULL);
if(!e->userdata) return(NULL);
atg_image *i=e->elemdata;
if(!i) return(NULL);
SDL_Surface *rv=atg_resize_surface(i->data, e);
unsigned int w=rv->w, h=rv->h;
switch(*(int *)e->userdata)
{
case 1:
SDL_FillRect(rv, &(SDL_Rect){(w>>1)-(w>>2), (h>>1)-1, (w>>1), 2}, SDL_MapRGB(rv->format, 0, 255, 0));
SDL_FillRect(rv, &(SDL_Rect){(w>>1)-1, (h>>1)-(h>>2), 2, (h>>1)}, SDL_MapRGB(rv->format, 0, 255, 0));
break;
case -1:
SDL_FillRect(rv, &(SDL_Rect){(w>>1)-(w>>2), (h>>1)-1, (w>>1), 2}, SDL_MapRGB(rv->format, 255, 0, 0));
break;
}
return(rv);
}
void filter_switch_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, __attribute__((unused)) unsigned int xoff, __attribute__((unused)) unsigned int yoff)
{
int *u=element->userdata;
if(!u) return;
int old=*u;
switch(button.button)
{
case ATG_MB_LEFT:
case ATG_MB_SCROLLUP:
*u=min(*u+1, 1);
break;
case ATG_MB_RIGHT:
case ATG_MB_SCROLLDN:
*u=max(*u-1, -1);
break;
}
if(*u!=old)
atg__push_event(list, (atg_event){.type=ATG_EV_VALUE, .event.value=(atg_ev_value){.e=element, .value=*u}});
}
SDL_Surface *bfilter_switch_render_callback(const struct atg_element *e);
void bfilter_switch_button_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff);
void bfilter_switch_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff);
void bfilter_switch_free_callback(struct atg_element *e)
{
atg_ebox_empty(e);
free(e->userdata);
}
atg_element *create_bfilter_switch(unsigned int count, atg_colour bgcolour, SDL_Surface **icon, bool *value)
{
atg_element *rv=atg_create_element_box(ATG_BOX_PACK_HORIZONTAL, bgcolour);
unsigned int i;
if(!rv) return(NULL);
atg_element **btns=calloc(count, sizeof(atg_element *));
if(!btns)
{
atg_free_element(rv);
return(NULL);
}
rv->type="bfilter_switch";
for(i=0;i<count;i++)
{
btns[i]=atg_create_element_image(icon[i]);
if(!btns[i]) goto fail;
btns[i]->userdata=value+i;
btns[i]->render_callback=bfilter_switch_render_callback;
btns[i]->match_click_callback=bfilter_switch_button_click_callback;
if(atg_ebox_pack(rv, btns[i]))
{
atg_free_element(btns[i]);
goto fail;
}
}
rv->userdata=btns;
rv->match_click_callback=bfilter_switch_match_click_callback;
rv->free_callback=bfilter_switch_free_callback;
return(rv);
fail:
atg_ebox_empty(rv);
free(btns);
atg_free_element(rv);
return(NULL);
}
SDL_Surface *bfilter_switch_render_callback(const struct atg_element *e)
{
if(!e) return(NULL);
if(!e->userdata) return(NULL);
atg_image *i=e->elemdata;
if(!i) return(NULL);
SDL_Surface *rv=atg_resize_surface(i->data, e);
unsigned int w=rv->w, h=rv->h;
if(*(bool *)e->userdata)
{
SDL_FillRect(rv, &(SDL_Rect){(w>>1)-(w>>2), (h>>1)-1, (w>>1), 2}, SDL_MapRGB(rv->format, 0, 255, 0));
SDL_FillRect(rv, &(SDL_Rect){(w>>1)-1, (h>>1)-(h>>2), 2, (h>>1)}, SDL_MapRGB(rv->format, 0, 255, 0));
}
return(rv);
}
void bfilter_switch_button_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, __attribute__((unused)) unsigned int xoff, __attribute__((unused)) unsigned int yoff)
{
bool *u=element->userdata;
if(!u) return;
switch(button.button)
{
case ATG_MB_LEFT:
case ATG_MB_RIGHT:
*u=!*u;
break;
}
atg__push_event(list, (atg_event){.type=ATG_EV_VALUE, .event.value=(atg_ev_value){.e=element, .value=*u}});
}
void bfilter_switch_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff)
{
atg_box *b=element->elemdata;
if(!b->elems) return;
switch(button.button)
{
case ATG_MB_LEFT:
case ATG_MB_RIGHT:
for(unsigned int i=0;i<b->nelems;i++)
atg__match_click_recursive(list, b->elems[i], button, xoff+element->display.x, yoff+element->display.y);
break;
case ATG_MB_MIDDLE:
for(unsigned int i=0;i<b->nelems;i++)
{
bool *u=b->elems[i]->userdata;
if(u) {
*u=!*u;
atg__push_event(list, (atg_event){.type=ATG_EV_VALUE, .event.value=(atg_ev_value){.e=b->elems[i], .value=*u}});
}
}
break;
}
}
/**/
SDL_Surface *load_selector_render_callback(const struct atg_element *e);
void load_selector_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, unsigned int xoff, unsigned int yoff);
struct load_selector_userdata
{
bombertype *type;
unsigned int *load;
};
atg_element *create_load_selector(bombertype *type, unsigned int *load)
{
atg_element *rv=atg_create_element_image(NULL);
if(!rv) return(NULL);
rv->type="load_selector";
rv->match_click_callback=load_selector_match_click_callback;
rv->render_callback=load_selector_render_callback;
struct load_selector_userdata *userdata=malloc(sizeof(struct load_selector_userdata));
if(!userdata)
{
perror("malloc");
atg_free_element(rv);
return(NULL);
}
userdata->type=type;
userdata->load=load;
rv->userdata=userdata;
return(rv);
}
SDL_Surface *load_selector_render_callback(const struct atg_element *e)
{
if(!e) return(NULL);
if(!e->userdata) return(NULL);
struct load_selector_userdata *u=e->userdata;
if(*u->load>=NBOMBLOADS) return(NULL);
SDL_Surface *rv=bombloads[*u->load].pic;
if(rv) rv->refcount++;
return(rv);
}
void load_selector_match_click_callback(struct atg_event_list *list, atg_element *element, SDL_MouseButtonEvent button, __attribute__((unused)) unsigned int xoff, __attribute__((unused)) unsigned int yoff)
{
struct load_selector_userdata *u=element->userdata;
if(!u) return;
bombertype *t=u->type;
if(!t) return;
unsigned int old=*u->load;
int limit=0;
switch(button.button)
{
case ATG_MB_LEFT:
case ATG_MB_SCROLLUP:
do
{
if(limit++>NBOMBLOADS) return;
*u->load=(*u->load+1)%NBOMBLOADS;
}
while(!t->load[*u->load]);
break;
case ATG_MB_RIGHT:
case ATG_MB_SCROLLDN:
do
{
if(limit++>NBOMBLOADS) return;
*u->load=(*u->load+NBOMBLOADS-1)%NBOMBLOADS;
}
while(!t->load[*u->load]);
break;
}
if(*u->load!=old)
atg__push_event(list, (atg_event){.type=ATG_EV_VALUE, .event.value=(atg_ev_value){.e=element, .value=*u->load}});
}
SDL_Surface *time_spinner_render_callback(const atg_element *e)
{
if(!e) return(NULL);
atg_spinner *s=e->elemdata;
if(!s) return(NULL);
harris_time t=maketime(s->value);
snprintf(s->val, 6, s->fmt, t.hour, t.minute); // it is assumed that 6 <= VALUE_LEN (from atg:w_spinner.c)
SDL_Surface *content=atg_render_box(&(atg_element){.w=e->w, .h=e->h, .elemdata=s->content, .clickable=false, .userdata=NULL});
if(!content) return(NULL);
SDL_Surface *rv=SDL_CreateRGBSurface(SDL_HWSURFACE, content->w, content->h, content->format->BitsPerPixel, content->format->Rmask, content->format->Gmask, content->format->Bmask, content->format->Amask);
if(!rv)
{
SDL_FreeSurface(content);
return(NULL);
}
SDL_FillRect(rv, &(SDL_Rect){.x=0, .y=0, .w=rv->w, .h=rv->h}, SDL_MapRGBA(rv->format, s->content->bgcolour.r, s->content->bgcolour.g, s->content->bgcolour.b, s->content->bgcolour.a));
SDL_BlitSurface(content, NULL, rv, &(SDL_Rect){.x=0, .y=0});
SDL_FreeSurface(content);
return(rv);
}
atg_element *create_time_spinner(Uint8 flags, int minval, int maxval, int step, int initvalue, const char *fmt, atg_colour fgcolour, atg_colour bgcolour)
{
atg_element *rv=atg_create_element_spinner(flags, minval, maxval, step, initvalue, fmt, fgcolour, bgcolour);
if(!rv) return(NULL);
rv->type="time_spinner";
rv->render_callback=time_spinner_render_callback;
return(rv);
}