97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
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#include "open_dialog.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <dlfcn.h>
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#include <stdbool.h>
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#include <string.h>
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#define GTK_FILE_CHOOSER_ACTION_OPEN 0
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void *_gtk_file_chooser_dialog_new (const char *title,
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void *parent,
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int action,
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const char *first_button_text,
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...);
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bool _gtk_init_check (int *argc, char ***argv);
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int _gtk_dialog_run(void *);
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void _g_free(void *);
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void _g_object_unref(void *);
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char *_gtk_file_chooser_get_filename(void *);
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void _g_log_set_default_handler (void *function, void *data);
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void *_gtk_file_filter_new(void);
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void _gtk_file_filter_add_pattern(void *filter, const char *pattern);
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void _gtk_file_filter_set_name(void *filter, const char *name);
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void _gtk_file_chooser_add_filter(void *dialog, void *filter);
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#define LAZY(symbol) static typeof(_##symbol) *symbol = NULL;\
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if (symbol == NULL) symbol = dlsym(handle, #symbol);\
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if (symbol == NULL) goto lazy_error
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#define TRY_DLOPEN(name) handle = handle? handle : dlopen(name, RTLD_NOW)
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void nop(){}
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char *do_open_rom_dialog(void)
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{
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static void *handle = NULL;
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TRY_DLOPEN("libgtk-3.so");
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TRY_DLOPEN("libgtk-3.so.0");
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TRY_DLOPEN("libgtk-2.so");
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TRY_DLOPEN("libgtk-2.so.0");
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if (!handle) {
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goto lazy_error;
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}
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LAZY(gtk_init_check);
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LAZY(gtk_file_chooser_dialog_new);
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LAZY(gtk_dialog_run);
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LAZY(g_free);
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LAZY(g_object_unref);
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LAZY(gtk_file_chooser_get_filename);
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LAZY(g_log_set_default_handler);
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LAZY(gtk_file_filter_new);
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LAZY(gtk_file_filter_add_pattern);
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LAZY(gtk_file_filter_set_name);
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LAZY(gtk_file_chooser_add_filter);
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/* Shut up GTK */
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g_log_set_default_handler(nop, NULL);
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gtk_init_check(0, 0);
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void *dialog = gtk_file_chooser_dialog_new("Open ROM",
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0,
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GTK_FILE_CHOOSER_ACTION_OPEN,
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"Open", 0, NULL);
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void *filter = gtk_file_filter_new();
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gtk_file_filter_add_pattern(filter, "*.gb");
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gtk_file_filter_add_pattern(filter, "*.gbc");
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gtk_file_filter_add_pattern(filter, "*.sgb");
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gtk_file_filter_set_name(filter, "Game Boy ROMs");
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gtk_file_chooser_add_filter(dialog, filter);
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int res = gtk_dialog_run (dialog);
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char *ret = NULL;
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if (res == 0)
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{
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char *filename;
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filename = gtk_file_chooser_get_filename(dialog);
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ret = strdup(filename);
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g_free(filename);
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}
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g_object_unref(dialog);
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return ret;
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lazy_error:
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fprintf(stderr, "Failed to display GTK dialog\n");
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return NULL;
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}
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