kest_page_id.c

Go to the documentation of this file.

#include "kest_int.h"
 
#ifndef PRINTLINES_ALLOWED
#define PRINTLINES_ALLOWED 0
#endif
 
static const char *FNAME = "kest_page_id.c";
 
kest_ui_page *kest_page_id_find_page(kest_context *cxt, kest_page_identifier id)
{
    KEST_PRINTF("kest_page_id_find_page; searching for the page described by {.type = %d, .id = %d, .fname = \"%s\"}\n",
        id.type, id.id, id.fname);
    
    if (!cxt)
        return NULL;
    
    kest_ui_page *page;
    kest_effect_view_str *tv_str;
    kest_effect *effect = NULL;
    kest_profile *profile = NULL;
    kest_sequence *seq = NULL;
    
    switch (id.type)
    {
        case KEST_UI_PAGE_MAIN_MENU:  KEST_PRINTF("It is simply the main menu !\n"); return &cxt->pages.main_menu;
        case KEST_UI_PAGE_SEQ_LIST:    KEST_PRINTF("It is simply the sequence list !\n"); return &cxt->pages.sequence_list;
        case KEST_UI_PAGE_MSV:          KEST_PRINTF("It is simply the main sequence view !\n"); return &cxt->pages.main_sequence_view;
        case KEST_UI_PAGE_SEQ_VIEW:
            KEST_PRINTF("It is a sequence view.\n");
            seq = cxt_get_sequence_by_fname(cxt, id.fname);
            
            if (!seq) return NULL;
            else return seq->view_page;
            
        case KEST_UI_PAGE_PROF_VIEW: 
            KEST_PRINTF("It is a profile view.\n");
            profile = cxt_get_profile_by_fname(cxt, id.fname);
            
            if (!profile) return NULL;
            else return profile->view_page;
            
        case KEST_UI_PAGE_TRANS_VIEW: 
            KEST_PRINTF("It is a effect view. First, search for the profile with fname \"%s\"\n", id.fname);
            profile = cxt_get_profile_by_fname(cxt, id.fname);
            KEST_PRINTF("The returned profile: %p\n", profile);
            if (!profile)
            {
                KEST_PRINTF("Unforunately, it is NULL! All is lost!\n");
                return NULL;
            }
            
            KEST_PRINTF("It is non-NULL! Yay!. Now we must try to find among it the desired effect; it has ID %d\n", id.id);
            
            effect = kest_profile_get_effect_by_id(profile, id.id);
            
            if (!effect)
            {
                KEST_PRINTF("The effect was not found. No chance of locating the page. Return NULL\n");
                return NULL;
            }
            else
            {
                KEST_PRINTF("The effect was found! Its view page is %p.\n", effect->view_page);
                KEST_PRINTF("Send it.\n");
                return effect->view_page;
            }
            
        case KEST_UI_PAGE_TRANS_SET: 
            KEST_PRINTF("It is a effect settings page.\n");
            profile = cxt_get_profile_by_fname(cxt, id.fname);
            
            if (!profile) return NULL;
            
            effect = kest_profile_get_effect_by_id(profile, id.id);
            
            if (!effect) return NULL;
            page = effect->view_page;
            tv_str = (kest_effect_view_str*)page->data_struct;
            
            if (!tv_str) return NULL;
            else return tv_str->settings_page;
        
        default:
            return NULL;
    }
    
    KEST_PRINTF("Couldn't find it :(\n");
    
    return NULL;
}
 
int kest_ui_page_create_identifier(kest_ui_page *page, kest_page_identifier *id)
{
    KEST_PRINTF("kest_ui_page_create_identifier(page = %p, id = %p)\n", page, id);
    
    if (!page || !id)
        return ERR_NULL_PTR;
    
    KEST_PRINTF("page->type = %d\n", page->type);
    
    id->type = page->type;
    id->fname[0] = 0;
    id->id = 0;
    
    if (page->type == KEST_UI_PAGE_MAIN_MENU
     || page->type == KEST_UI_PAGE_SEQ_LIST
     || page->type == KEST_UI_PAGE_MSV)
    {
        return NO_ERROR;
    }
    
    if (!page->data_struct)
        return ERR_BAD_ARGS;
    
    kest_profile_view_str      *pv_str = (kest_profile_view_str*)     page->data_struct;
    kest_sequence_view_str    *sv_str = (kest_sequence_view_str*)   page->data_struct;
    kest_effect_view_str    *tv_str = (kest_effect_view_str*)   page->data_struct;
    effect_settings_page_str *ts_str = (effect_settings_page_str*)page->data_struct;
    kest_effect *effect = NULL;
    kest_profile *profile = NULL;
    kest_sequence *seq = NULL;
    
    char *fname = NULL;
    
    switch (page->type)
    {
        case KEST_UI_PAGE_SEQ_VIEW:
            seq = sv_str->sequence;
            break;
            
        case KEST_UI_PAGE_PROF_VIEW: 
            profile = pv_str->profile;
            break;
            
        case KEST_UI_PAGE_TRANS_VIEW:
            effect = tv_str->effect;
            
            if (!effect) return ERR_BAD_ARGS;
            break;
            
        case KEST_UI_PAGE_TRANS_SET:
            effect = ts_str->effect;
            
            if (!effect) return ERR_BAD_ARGS;
            break;
        
        default:
            return ERR_BAD_ARGS;
    }
    
    if (effect)
    {
        id->id = effect->id;
        profile = effect->profile;
    }
    
    if (seq)
        fname = seq->fname;
    else if (profile)
        fname = profile->fname;
    else
        return ERR_BAD_ARGS;
    
    if (fname)
    {
        for (int i = 0; i < 32; i++)
        {
            id->fname[i] = fname[i];
            if (!fname[i])
                break;
            else if (i == 31) 
                fname[i] = 0;
        }
    }
    
    return NO_ERROR;
}