1098 lines
35 KiB
C
1098 lines
35 KiB
C
#include <gtk/gtk.h>
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#include <epoxy/gl.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <Core/gb.h>
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#include "macros.h"
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#include "settings.h"
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#include "shader.h"
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typedef struct UserData {
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bool fullscreen;
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GFile *file;
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gchar *boot_rom_path;
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gchar *config_path;
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GB_model_t model;
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} UserData;
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typedef struct{
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int16_t x, y;
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uint16_t w, h;
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} Rect;
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#define BUTTON_MASK_A 0x01
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#define BUTTON_MASK_B 0x02
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#define BUTTON_MASK_START 0x04
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#define BUTTON_MASK_SELECT 0x08
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#define BUTTON_MASK_UP 0x10
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#define BUTTON_MASK_DOWN 0x20
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#define BUTTON_MASK_LEFT 0x40
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#define BUTTON_MASK_RIGHT 0x80
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static uint8_t pressed_buttons;
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static void run(GApplication *app, UserData *user_data);
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static GtkApplication *main_application;
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static GtkBuilder *builder;
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static GtkGLArea *gl_area;
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static GtkDrawingArea *fallback_canvas;
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static GtkApplicationWindow *main_window;
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static GtkBox *main_window_container;
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static GtkWindow *preferences;
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static GtkWindow *vram_viewer;
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static GtkWindow *memory_viewer;
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static GtkWindow *console;
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static GtkWindow *printer;
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static shader_t shader;
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static UserData user_data = { NULL };
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static GB_gameboy_t gb;
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static uint32_t *image_buffers[3];
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static unsigned char current_buffer;
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static bool supports_gl;
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static bool paused = false;
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static bool underclock_down = false, rewind_down = false, do_rewind = false, rewind_paused = false, turbo_down = false;
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static double clock_mutliplier = 1.0;
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static char *battery_save_path_ptr;
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static Rect rect;
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static bool vram_viewer_visible = false;
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static bool running = true;
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static const size_t tileset_buffer_length = 256 * 192 * 4;
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static uint32_t tileset_buffer[tileset_buffer_length] = {0};
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static const size_t tilemap_buffer_length = 256 * 256 * 4;
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static uint32_t tilemap_buffer[tilemap_buffer_length] = {0};
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static unsigned char number_of_buffers(void) {
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bool should_blend = !fallback_canvas;
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return should_blend? 3 : 2;
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}
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static void flip(void) {
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current_buffer = (current_buffer + 1) % number_of_buffers();
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}
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static uint32_t *get_pixels(void) {
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return image_buffers[(current_buffer + 1) % number_of_buffers()];
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}
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static uint32_t *get_current_buffer(void) {
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return image_buffers[current_buffer];
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}
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static uint32_t *get_previous_buffer(void) {
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return image_buffers[(current_buffer + 2) % number_of_buffers()];
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}
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static void render_texture(void *pixels, void *previous) {
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static void *_pixels = NULL;
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if (pixels) {
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_pixels = pixels;
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}
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glClearColor(0, 0, 0, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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render_bitmap_with_shader(&shader, _pixels, previous, GB_get_screen_width(&gb), GB_get_screen_height(&gb), rect.x, rect.y, rect.w, rect.h);
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}
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static void handle_events(GB_gameboy_t *gb) {
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while (gtk_events_pending()) {
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gtk_main_iteration();
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}
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GB_set_key_state(gb, GB_KEY_RIGHT, pressed_buttons & BUTTON_MASK_RIGHT);
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GB_set_key_state(gb, GB_KEY_LEFT, pressed_buttons & BUTTON_MASK_LEFT);
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GB_set_key_state(gb, GB_KEY_UP, pressed_buttons & BUTTON_MASK_UP);
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GB_set_key_state(gb, GB_KEY_DOWN, pressed_buttons & BUTTON_MASK_DOWN);
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GB_set_key_state(gb, GB_KEY_A, pressed_buttons & BUTTON_MASK_A);
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GB_set_key_state(gb, GB_KEY_B, pressed_buttons & BUTTON_MASK_B);
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GB_set_key_state(gb, GB_KEY_SELECT, pressed_buttons & BUTTON_MASK_SELECT);
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GB_set_key_state(gb, GB_KEY_START, pressed_buttons & BUTTON_MASK_START);
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}
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static void vblank(GB_gameboy_t *gb) {
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flip();
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GB_set_pixels_output(gb, get_pixels());
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// Queue drawing of the current frame
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if (fallback_canvas) {
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gtk_widget_queue_draw(GTK_WIDGET(main_window));
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}
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else if (gl_area) {
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gtk_gl_area_queue_render(gl_area);
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}
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if (vram_viewer_visible) {
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// TODO: Only update what is needed
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GB_draw_tileset(gb, tileset_buffer, GB_PALETTE_NONE, 0);
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GB_draw_tilemap(gb, tilemap_buffer, GB_PALETTE_AUTO, 0, GB_MAP_AUTO, GB_TILESET_AUTO);
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// Queue a redraw of the VRAM viewer
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gtk_widget_queue_draw(GTK_WIDGET(vram_viewer));
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}
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}
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static void update_viewport(void) {
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GtkWidget *w = fallback_canvas ? GTK_WIDGET(fallback_canvas) : GTK_WIDGET(gl_area);
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int win_width = gtk_widget_get_allocated_width(w);
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int win_height = gtk_widget_get_allocated_height(w);
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double x_factor = win_width / (double) GB_get_screen_width(&gb);
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double y_factor = win_height / (double) GB_get_screen_height(&gb);
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if (config.use_integer_scaling) {
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x_factor = (int)(x_factor);
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y_factor = (int)(y_factor);
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}
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if (config.keep_aspect_ratio) {
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if (x_factor > y_factor) {
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x_factor = y_factor;
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}
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else {
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y_factor = x_factor;
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}
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}
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unsigned new_width = x_factor * GB_get_screen_width(&gb);
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unsigned new_height = y_factor * GB_get_screen_height(&gb);
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rect = (Rect){
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(win_width - new_width) / 2,
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(win_height - new_height) / 2,
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new_width,
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new_height
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};
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if (!fallback_canvas) glViewport(rect.x, rect.y, rect.w, rect.h);
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}
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// Determines if a ComboBox entry should be converted into a separator.
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// Each element with a text value of `<separator>` will be converted into a separator element.
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static gboolean is_separator(GtkTreeModel *model, GtkTreeIter *iter, gpointer data) {
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gchar *text = NULL;
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gtk_tree_model_get(model, iter, 0, &text, -1);
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gboolean result = g_strcmp0("<separator>", text) == 0;
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return result;
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}
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// Recursively goes through all children of the given container and sets
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// our `is_separator` function to all children of type`GtkComboBox`
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static void set_combo_box_row_separator_func(GtkContainer *container) {
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GList *list = gtk_container_get_children(container);
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while (list) {
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if (GTK_IS_COMBO_BOX(list->data)) {
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gtk_combo_box_set_row_separator_func(GTK_COMBO_BOX(list->data), is_separator, NULL, NULL);
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}
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if (GTK_IS_CONTAINER(list->data)) {
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set_combo_box_row_separator_func(GTK_CONTAINER(list->data));
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}
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list = list->next;
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}
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g_list_free_full(list, NULL);
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}
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// Returns a `GApplication`s `GMenuModel` by ID
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// GApplication menus are loaded from `gtk/menus.ui`, `gtk/menus-traditional.ui` and `gtk/menus-common.ui`.
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static GMenuModel *get_menu_model(GApplication *app, const char *id) {
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GMenu *menu;
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menu = gtk_application_get_menu_by_id(GTK_APPLICATION(app), id);
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return menu ? G_MENU_MODEL(g_object_ref_sink(menu)) : NULL;
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}
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static void quit(GApplication *app) {
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// Tell our own main loop to quit.
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// This will allow our run() and therefore our activate() methods to end.
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running = false;
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// Quit our application properly.
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// This fires the “shutdown” signal.
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g_application_quit(app);
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}
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// app.quit GAction
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// Exits the application
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static void activate_quit(GSimpleAction *action, GVariant *parameter, gpointer app) {
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quit(G_APPLICATION(app));
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}
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// app.about GAction
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// Opens the about dialog
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static void activate_about(GSimpleAction *action, GVariant *parameter, gpointer app) {
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GObject *dialog = get_object("about_dialog");
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gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_hide(GTK_WIDGET(dialog));
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}
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// app.open_gtk_debugger GAction
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// Opens the GTK debugger
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static void activate_open_gtk_debugger(GSimpleAction *action, GVariant *parameter, gpointer app) {
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gtk_window_set_interactive_debugging(true);
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}
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// app.preferences GAction
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// Opens the preferences window
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static void activate_preferences(GSimpleAction *action, GVariant *parameter, gpointer app) {
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gtk_widget_show_all(GTK_WIDGET(get_object("preferences")));
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}
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// app.open_vram_viewer GAction
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// Opens the VRAM viewer window
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static void activate_open_vram_viewer(GSimpleAction *action, GVariant *parameter, gpointer app) {
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gtk_widget_show_all(GTK_WIDGET(vram_viewer));
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}
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// app.open_memory_viewer GAction
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// Opens the memory viewer window
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static void activate_open_memory_viewer(GSimpleAction *action, GVariant *parameter, gpointer app) {
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gtk_widget_show_all(GTK_WIDGET(memory_viewer));
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}
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// app.open GAction
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// Opens a ROM file
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static void activate_open(GSimpleAction *action, GVariant *parameter, gpointer app) {
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GtkFileChooserNative *native = gtk_file_chooser_native_new("Open File", GTK_WINDOW(main_window), GTK_FILE_CHOOSER_ACTION_OPEN, "_Open", "_Cancel");
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gint res = gtk_native_dialog_run(GTK_NATIVE_DIALOG(native));
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if (res == GTK_RESPONSE_ACCEPT) {
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g_print("%s\n", gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(native)));
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}
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g_object_unref(native);
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}
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// List of GActions for the `app` prefix
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static GActionEntry app_entries[] = {
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{ "quit", activate_quit, NULL, NULL, NULL },
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{ "about", activate_about, NULL, NULL, NULL },
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{ "open", activate_open, NULL, NULL, NULL },
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{ "open_gtk_debugger", activate_open_gtk_debugger, NULL, NULL, NULL },
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{ "preferences", activate_preferences, NULL, NULL, NULL },
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{ "open_vram_viewer", activate_open_vram_viewer, NULL, NULL, NULL },
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{ "open_memory_viewer", activate_open_memory_viewer, NULL, NULL, NULL },
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};
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G_MODULE_EXPORT gboolean on_key_press(GtkWidget *w, GdkEventKey *event, gpointer data) {
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uint8_t mask;
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// TODO: Allow control remapping in the GUI
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switch (event->keyval) {
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case GDK_KEY_w: mask = BUTTON_MASK_UP; break;
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case GDK_KEY_a: mask = BUTTON_MASK_LEFT; break;
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case GDK_KEY_s: mask = BUTTON_MASK_DOWN; break;
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case GDK_KEY_d: mask = BUTTON_MASK_RIGHT; break;
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case GDK_KEY_g: mask = BUTTON_MASK_SELECT; break;
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case GDK_KEY_h: mask = BUTTON_MASK_START; break;
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case GDK_KEY_k: mask = BUTTON_MASK_B; break;
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case GDK_KEY_l: mask = BUTTON_MASK_A; break;
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}
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if (event->type == GDK_KEY_PRESS) {
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pressed_buttons |= mask;
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}
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else if (event->type == GDK_KEY_RELEASE) {
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pressed_buttons &= ~mask;
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}
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return FALSE;
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}
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G_MODULE_EXPORT void on_quit(GtkWidget *w, gpointer app) {
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quit(G_APPLICATION(app));
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}
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G_MODULE_EXPORT void on_show_window(GtkWidget *w, gpointer window) {
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gtk_widget_show_all(GTK_WIDGET(window));
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}
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G_MODULE_EXPORT gboolean on_draw_fallback(GtkWidget *widget, cairo_t *cr, gpointer data) {
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GtkStyleContext *context = gtk_widget_get_style_context(widget);
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guint width = gtk_widget_get_allocated_width(widget);
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guint height = gtk_widget_get_allocated_height(widget);
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guint screen_width = GB_get_screen_width(&gb);
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guint screen_height = GB_get_screen_height(&gb);
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gtk_render_background(context, cr, 0, 0, width, height);
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cairo_surface_t *surface = cairo_image_surface_create_for_data(
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(unsigned char *) get_current_buffer(),
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CAIRO_FORMAT_RGB24,
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screen_width,
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screen_height,
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cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, screen_width)
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);
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cairo_translate(cr, rect.x, rect.y);
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cairo_scale(cr, rect.w / screen_width, rect.h / screen_height);
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cairo_set_source_surface(cr, surface, 0, 0);
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cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
|
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cairo_paint(cr);
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return FALSE;
|
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}
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G_MODULE_EXPORT void resize() {
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update_viewport();
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}
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||
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static void create_fallback_canvas(void) {
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fallback_canvas = GTK_DRAWING_AREA(gtk_drawing_area_new());
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g_signal_connect(fallback_canvas, "draw", G_CALLBACK(on_draw_fallback), NULL);
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g_signal_connect(fallback_canvas, "size-allocate", G_CALLBACK(resize), NULL);
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gtk_box_pack_end(GTK_BOX(main_window_container), GTK_WIDGET(fallback_canvas), TRUE, TRUE, 0);
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}
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G_MODULE_EXPORT void gl_draw() {
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render_texture(get_current_buffer(), get_previous_buffer());
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}
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G_MODULE_EXPORT void gl_finish() { }
|
||
|
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G_MODULE_EXPORT void gl_init(GtkWidget *w) {
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GtkGLArea *gl_area = GTK_GL_AREA(w);
|
||
|
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g_print("GL_INIT\n");
|
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const char *renderer;
|
||
|
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g_print("GL Context: %p\n", gtk_gl_area_get_context(gl_area));
|
||
|
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gtk_gl_area_make_current(gl_area);
|
||
|
||
if (gtk_gl_area_get_error(gl_area) != NULL) {
|
||
goto error;
|
||
}
|
||
|
||
renderer = (char *)glGetString(GL_RENDERER);
|
||
g_print("GtkGLArea on %s\n", renderer ? renderer : "Unknown");
|
||
|
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if (config.shader == NULL || !init_shader_with_name(&shader, config.shader) || !init_shader_with_name(&shader, "NearestNeighbor")) {
|
||
GError *error = g_error_new_literal(g_quark_from_string("sameboy-gl-error"), 1, "Failed to initialize shaders");
|
||
gtk_gl_area_set_error(gl_area, error);
|
||
}
|
||
else {
|
||
g_signal_connect(gl_area, "render", G_CALLBACK(gl_draw), NULL);
|
||
g_signal_connect(gl_area, "resize", G_CALLBACK(resize), NULL);
|
||
g_signal_connect(gl_area, "unrealize", G_CALLBACK(gl_finish), NULL);
|
||
return;
|
||
}
|
||
|
||
error:
|
||
if (gtk_gl_area_get_error(gl_area) != NULL) {
|
||
g_printerr("GtkGLArea: %s\n", gtk_gl_area_get_error(gl_area)->message);
|
||
}
|
||
|
||
create_fallback_canvas();
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_vram_viewer_realize() {
|
||
vram_viewer_visible = true;
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_vram_viewer_unrealize() {
|
||
vram_viewer_visible = false;
|
||
}
|
||
|
||
G_MODULE_EXPORT gboolean on_draw_vram_viewer_tileset(GtkWidget *widget, cairo_t *cr, gpointer data) {
|
||
guint width, height;
|
||
GtkStyleContext *context;
|
||
|
||
context = gtk_widget_get_style_context(widget);
|
||
width = gtk_widget_get_allocated_width(widget);
|
||
height = gtk_widget_get_allocated_height(widget);
|
||
|
||
gtk_render_background(context, cr, 0, 0, width, height);
|
||
|
||
cairo_surface_t *surface = cairo_image_surface_create_for_data(
|
||
(unsigned char *) tileset_buffer,
|
||
CAIRO_FORMAT_RGB24,
|
||
256,
|
||
192,
|
||
cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, 256)
|
||
);
|
||
|
||
cairo_set_source_surface(cr, surface, 0, 0);
|
||
cairo_paint(cr);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
G_MODULE_EXPORT gboolean on_draw_vram_viewer_tilemap(GtkWidget *widget, cairo_t *cr, gpointer data) {
|
||
guint width, height;
|
||
GtkStyleContext *context;
|
||
|
||
context = gtk_widget_get_style_context(widget);
|
||
width = gtk_widget_get_allocated_width(widget);
|
||
height = gtk_widget_get_allocated_height(widget);
|
||
|
||
gtk_render_background(context, cr, 0, 0, width, height);
|
||
|
||
cairo_surface_t *surface = cairo_image_surface_create_for_data(
|
||
(unsigned char *) tilemap_buffer,
|
||
CAIRO_FORMAT_RGB24,
|
||
256,
|
||
256,
|
||
cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, 256)
|
||
);
|
||
|
||
cairo_set_source_surface(cr, surface, 0, 0);
|
||
cairo_paint(cr);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_highpass_filter_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
config.high_pass_filter_id = (gchar *)gtk_combo_box_get_active_id(GTK_COMBO_BOX(w));
|
||
|
||
if (GB_is_inited(&gb)) {
|
||
GB_set_highpass_filter_mode(&gb, get_highpass_mode());
|
||
}
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_use_integer_scaling_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkCheckButton *button = GTK_CHECK_BUTTON(w);
|
||
gboolean value = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
|
||
config.use_integer_scaling = value;
|
||
update_viewport();
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_keep_aspect_ratio_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkCheckButton *button = GTK_CHECK_BUTTON(w);
|
||
gboolean value = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
|
||
config.keep_aspect_ratio = value;
|
||
update_viewport();
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_color_correction_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
config.color_correction_id = (gchar *)gtk_combo_box_get_active_id(box);
|
||
|
||
if (GB_is_inited(&gb)) {
|
||
GB_set_color_correction_mode(&gb, get_color_correction_mode());
|
||
}
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_graphic_filter_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
config.shader = (gchar *)gtk_combo_box_get_active_id(box);
|
||
|
||
init_shader_with_name(&shader, config.shader);
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_cgb_model_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
g_print("New value: %s\n", gtk_combo_box_get_active_id(box));
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_sgb_model_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
g_print("New value: %s\n", gtk_combo_box_get_active_id(box));
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_dmg_model_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
g_print("New value: %s\n", gtk_combo_box_get_active_id(box));
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_rewind_duration_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
g_print("New value: %s\n", gtk_combo_box_get_active_id(box));
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_boot_rom_location_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
GtkComboBox *box = GTK_COMBO_BOX(w);
|
||
const gchar *id = gtk_combo_box_get_active_id(box);
|
||
if (id == NULL) return;
|
||
|
||
if (g_strcmp0(id, "other") == 0) {
|
||
GtkFileChooserNative *native = gtk_file_chooser_native_new("Select Folder", preferences, GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, "_Select", "_Cancel");
|
||
gint res = gtk_native_dialog_run(GTK_NATIVE_DIALOG(native));
|
||
|
||
if (res == GTK_RESPONSE_ACCEPT) {
|
||
config.boot_rom_path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(native));
|
||
update_boot_rom_selector(builder);
|
||
}
|
||
|
||
g_object_unref(native);
|
||
}
|
||
else {
|
||
config.boot_rom_path = (gchar *)id;
|
||
}
|
||
}
|
||
|
||
G_MODULE_EXPORT void on_color_menubar_override_changed(GtkWidget *w, gpointer user_data_gptr) {
|
||
config.menubar_override = (gchar *)gtk_combo_box_get_active_id(GTK_COMBO_BOX(w));
|
||
}
|
||
|
||
static void setup_menu(GApplication *app) {
|
||
GMenuModel *menubar_model = get_menu_model(app, "menubar");
|
||
enum menubar_type_t menubar_type = get_show_menubar();
|
||
|
||
// Try to use a sane default
|
||
if (menubar_type == MENUBAR_AUTO) {
|
||
GtkSettings *settings = gtk_settings_get_default();
|
||
gboolean show_in_shell;
|
||
g_object_get(settings, "gtk-shell-shows-menubar", &show_in_shell, NULL);
|
||
|
||
const gchar *xdg_current_desktop = g_getenv("XDG_CURRENT_DESKTOP");
|
||
const gchar *gdm_session = g_getenv("GDMSESSION");
|
||
const gchar *desktop_session = g_getenv("DESKTOP_SESSION");
|
||
|
||
gchar *desktop = (gchar *)xdg_current_desktop;
|
||
if (desktop == NULL || g_str_equal(desktop, "")) desktop = (gchar *)gdm_session;
|
||
if (desktop == NULL || g_str_equal(desktop, "")) desktop = (gchar *)desktop_session;
|
||
|
||
g_print("XDG_CURRENT_DESKTOP: %s\nGDMSESSION: %s\nDESKTOP_SESSION: %s\nChosen value: %s\nShow menu in shell: %d\n", xdg_current_desktop, gdm_session, desktop_session, desktop, show_in_shell);
|
||
|
||
if (desktop != NULL && show_in_shell) {
|
||
menubar_type = MENUBAR_SHOW_IN_SHELL;
|
||
}
|
||
else if (desktop != NULL && g_str_match_string("GNOME", desktop, FALSE)) {
|
||
if (g_str_match_string("GNOME-Flashback", desktop, FALSE) || g_str_match_string("GNOME-Classic", desktop, FALSE)) {
|
||
menubar_type = MENUBAR_SHOW_IN_WINDOW;
|
||
}
|
||
else if (gdm_session != NULL && (g_str_match_string("gnome-classic", gdm_session, FALSE) || g_str_match_string("gnome-flashback", gdm_session, FALSE))) {
|
||
menubar_type = MENUBAR_SHOW_IN_WINDOW;
|
||
}
|
||
else {
|
||
menubar_type = MENUBAR_SHOW_HAMBURGER;
|
||
}
|
||
}
|
||
else {
|
||
menubar_type = MENUBAR_SHOW_IN_WINDOW;
|
||
}
|
||
}
|
||
|
||
switch (menubar_type) {
|
||
case MENUBAR_AUTO:
|
||
g_error("Unreachable\n");
|
||
break;
|
||
|
||
case MENUBAR_SHOW_IN_SHELL:
|
||
g_print("Showing menu in the shell\n");
|
||
gtk_application_set_menubar(GTK_APPLICATION(app), menubar_model);
|
||
break;
|
||
|
||
case MENUBAR_SHOW_IN_WINDOW: {
|
||
g_print("Showing menu in the window\n");
|
||
GtkMenuBar *menubar = GTK_MENU_BAR(gtk_menu_bar_new_from_model(menubar_model));
|
||
gtk_box_pack_start(GTK_BOX(main_window_container), GTK_WIDGET(menubar), FALSE, FALSE, 0);
|
||
break;
|
||
}
|
||
|
||
case MENUBAR_SHOW_HAMBURGER: {
|
||
g_print("Showing hamburger\n");
|
||
// Attach a custom title bar
|
||
GtkWidget *titlebar = gtkget(GTK_WIDGET, "main_header_bar");
|
||
gtk_window_set_titlebar(GTK_WINDOW(main_window), titlebar);
|
||
|
||
// Disable menubar
|
||
gtk_application_set_menubar(GTK_APPLICATION(app), NULL);
|
||
|
||
// Hook menubar up to the hamburger button
|
||
GtkMenuButton *hamburger_button = GTK_MENU_BUTTON(get_object("hamburger_button"));
|
||
gtk_menu_button_set_menu_model(hamburger_button, menubar_model);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
G_MODULE_EXPORT void gl_check_realize(GtkWidget *w, gpointer user_data_gptr) {
|
||
gboolean *result = (gboolean *) user_data_gptr;
|
||
|
||
GError *error = NULL;
|
||
GdkWindow *gdk_window = gtk_widget_get_window(w);
|
||
GdkGLContext *context = gdk_window_create_gl_context(gdk_window, &error);
|
||
|
||
if (error != NULL) {
|
||
g_printerr("Failed to create context: %s\n", error->message);
|
||
g_error_free(error);
|
||
*result = FALSE;
|
||
}
|
||
else {
|
||
gdk_gl_context_make_current(context);
|
||
int version = epoxy_gl_version();
|
||
|
||
g_object_run_dispose(G_OBJECT(context));
|
||
g_object_unref(context);
|
||
context = NULL;
|
||
|
||
gdk_gl_context_clear_current();
|
||
|
||
g_print("OpenGL version: %d\n", version);
|
||
|
||
*result = version >= 32;
|
||
}
|
||
}
|
||
|
||
gboolean test_gl_support(void) {
|
||
gboolean result = FALSE;
|
||
|
||
gtk_init(NULL, NULL);
|
||
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
|
||
g_signal_connect(window, "realize", G_CALLBACK(gl_check_realize), &result);
|
||
gtk_widget_realize(window);
|
||
gtk_widget_destroy(window);
|
||
window = NULL;
|
||
|
||
return result;
|
||
}
|
||
|
||
// This functions gets called immediately after registration of the GApplication
|
||
static void startup(GApplication *app, gpointer user_data_gptr) {
|
||
UserData *user_data = user_data_gptr;
|
||
|
||
// Very ugly workaround for GtkGlArea!
|
||
// When a GtkGlArea is realized and it creates a legacy GL 1.4 context
|
||
// it tries to use GL 2.0 functions to render the window which leads to the application crashing.
|
||
// So we initialize GTK, create a dummy GtkWindow object, attach a `realize` callback and
|
||
// in this callback create a GdkGLContext on this window. But instead of running the GTK main loop
|
||
// we just realize and destroy the dummy window and compare the context’s version in the realize callback.
|
||
supports_gl = test_gl_support();
|
||
g_print("OpenGL supported: %s\n", supports_gl? "Yes" : "No");
|
||
|
||
builder = gtk_builder_new_from_resource(RESOURCE_PREFIX "ui/window.ui");
|
||
gtk_builder_connect_signals(builder, NULL);
|
||
|
||
// Setup application actions
|
||
g_action_map_add_action_entries(G_ACTION_MAP(app), app_entries, G_N_ELEMENTS(app_entries), app);
|
||
|
||
#if NDEBUG
|
||
// Disable when not compiled in debug mode
|
||
g_simple_action_set_enabled(G_SIMPLE_ACTION(g_action_map_lookup_action(G_ACTION_MAP(app), "open_gtk_debugger")), false);
|
||
|
||
// Remove the menubar override
|
||
gtk_widget_destroy(gtkget(GTK_WIDGET, "menubar_override_selector_label"));
|
||
gtk_widget_destroy(gtkget(GTK_WIDGET, "menubar_override_selector"));
|
||
#endif
|
||
|
||
preferences = GTK_WINDOW(get_object("preferences"));
|
||
|
||
g_signal_connect(preferences, "realize", G_CALLBACK(on_preferences_realize), (gpointer) builder);
|
||
init_settings(user_data->config_path, preferences);
|
||
|
||
vram_viewer = GTK_WINDOW(get_object("vram_viewer"));
|
||
memory_viewer = GTK_WINDOW(get_object("memory_viewer"));
|
||
|
||
console = GTK_WINDOW(get_object("console"));
|
||
printer = GTK_WINDOW(get_object("printer"));
|
||
|
||
// setup main window
|
||
main_window = GTK_APPLICATION_WINDOW(gtk_application_window_new(GTK_APPLICATION(app)));
|
||
main_window_container = GTK_BOX(gtk_box_new(GTK_ORIENTATION_VERTICAL, 0));
|
||
|
||
gtk_window_set_title(GTK_WINDOW(main_window), "SameBoy");
|
||
gtk_application_window_set_show_menubar(main_window, false);
|
||
gtk_container_add(GTK_CONTAINER(main_window), GTK_WIDGET(main_window_container));
|
||
|
||
setup_menu(app);
|
||
|
||
// Insert separators into `GtkComboBox`es
|
||
set_combo_box_row_separator_func(GTK_CONTAINER(preferences));
|
||
set_combo_box_row_separator_func(GTK_CONTAINER(vram_viewer));
|
||
set_combo_box_row_separator_func(GTK_CONTAINER(memory_viewer));
|
||
|
||
// Define a set of window icons
|
||
GList *icon_list = NULL;
|
||
static char* icons[] = {
|
||
RESOURCE_PREFIX "logo_256.png",
|
||
RESOURCE_PREFIX "logo_128.png",
|
||
RESOURCE_PREFIX "logo_64.png",
|
||
RESOURCE_PREFIX "logo_48.png",
|
||
RESOURCE_PREFIX "logo_32.png",
|
||
RESOURCE_PREFIX "logo_16.png"
|
||
};
|
||
|
||
// Create list of GdkPixbufs
|
||
for (int i = 0; i < (sizeof(icons) / sizeof(const char*)); ++i) {
|
||
GdkPixbuf *icon = gdk_pixbuf_new_from_resource(icons[i], NULL);
|
||
if (!icon) continue;
|
||
|
||
icon_list = g_list_prepend(icon_list, icon);
|
||
}
|
||
|
||
// Let GTK choose the proper icon
|
||
gtk_window_set_icon_list(GTK_WINDOW(main_window), icon_list);
|
||
|
||
// Add missing information to the about dialog
|
||
GtkAboutDialog *about_dialog = GTK_ABOUT_DIALOG(get_object("about_dialog"));
|
||
gtk_about_dialog_set_logo(about_dialog, g_list_nth_data(icon_list, 3)); // reuse the 64x64 icon
|
||
gtk_about_dialog_set_version(about_dialog, "v" xstr(VERSION));
|
||
g_list_free(icon_list);
|
||
}
|
||
|
||
// This function gets called when the GApplication gets activated, i.e. it is ready to show widgets.
|
||
static void activate(GApplication *app, gpointer user_data_gptr) {
|
||
UserData *user_data = user_data_gptr;
|
||
|
||
if (user_data->fullscreen) {
|
||
gtk_window_fullscreen(GTK_WINDOW(main_window));
|
||
}
|
||
|
||
// Connect signal handlers
|
||
gtk_widget_add_events(GTK_WIDGET(main_window), GDK_KEY_PRESS_MASK);
|
||
gtk_widget_add_events(GTK_WIDGET(main_window), GDK_KEY_RELEASE_MASK);
|
||
|
||
g_signal_connect(main_window, "destroy", G_CALLBACK(on_quit), app);
|
||
g_signal_connect(main_window, "key_press_event", G_CALLBACK(on_key_press), NULL);
|
||
g_signal_connect(main_window, "key_release_event", G_CALLBACK(on_key_press), NULL);
|
||
|
||
g_signal_connect(vram_viewer, "realize", G_CALLBACK(on_vram_viewer_realize), NULL);
|
||
g_signal_connect(vram_viewer, "unrealize", G_CALLBACK(on_vram_viewer_unrealize), NULL);
|
||
|
||
// Just hide our sub-windows when closing them
|
||
g_signal_connect(preferences, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
||
g_signal_connect(vram_viewer, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
||
g_signal_connect(memory_viewer, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
||
g_signal_connect(console, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
||
g_signal_connect(printer, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
|
||
|
||
g_signal_connect(get_object("vram_viewer_tileset_canvas"), "draw", G_CALLBACK(on_draw_vram_viewer_tileset), NULL);
|
||
g_signal_connect(get_object("vram_viewer_tilemap_canvas"), "draw", G_CALLBACK(on_draw_vram_viewer_tilemap), NULL);
|
||
|
||
// create our renderer area
|
||
if (supports_gl) {
|
||
gl_area = GTK_GL_AREA(gtk_gl_area_new());
|
||
gtk_gl_area_set_required_version(gl_area, 3, 2);
|
||
gtk_gl_area_set_auto_render(gl_area, false);
|
||
gtk_gl_area_set_has_alpha(gl_area, false);
|
||
gtk_gl_area_set_has_depth_buffer(gl_area, false);
|
||
gtk_gl_area_set_has_stencil_buffer(gl_area, false);
|
||
g_signal_connect(gl_area, "realize", G_CALLBACK(gl_init), NULL);
|
||
gtk_box_pack_end(GTK_BOX(main_window_container), GTK_WIDGET(gl_area), TRUE, TRUE, 0);
|
||
}
|
||
else {
|
||
create_fallback_canvas();
|
||
}
|
||
|
||
gtk_application_add_window(GTK_APPLICATION(app), GTK_WINDOW(main_window));
|
||
gtk_widget_show_all(GTK_WIDGET(main_window));
|
||
|
||
// Start the emulation loop.
|
||
// This loop takes care of the GTK main loop.
|
||
run(app, user_data);
|
||
}
|
||
|
||
// This function gets called when there are files to open.
|
||
// Note: When `open` gets called `activate` won’t fire unless we call it ourselves.
|
||
static void open(GApplication *app, GFile **files, gint n_files, const gchar *hint, gpointer user_data_gptr) {
|
||
UserData *user_data = user_data_gptr;
|
||
|
||
if (n_files > 1) {
|
||
g_printerr("More than one file specified\n");
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
|
||
user_data->file = files[0];
|
||
|
||
// We have handled the files, now activate the application
|
||
activate(app, user_data_gptr);
|
||
}
|
||
|
||
// This function gets called when the application is closed.
|
||
static void shutdown(GApplication *app, GFile **files, gint n_files, const gchar *hint, gpointer user_data_gptr) {
|
||
g_print("SHUTDOWN\n");
|
||
|
||
save_settings();
|
||
free_settings();
|
||
}
|
||
|
||
// This function gets called after the parsing of the commandline options has occurred.
|
||
static gint handle_local_options(GApplication *app, GVariantDict *options, gpointer user_data_gptr) {
|
||
UserData *user_data = user_data_gptr;
|
||
guint32 count;
|
||
|
||
if (g_variant_dict_lookup(options, "version", "b", &count)) {
|
||
g_print("SameBoy v" xstr(VERSION) "\n");
|
||
return EXIT_SUCCESS;
|
||
}
|
||
|
||
if (g_variant_dict_lookup(options, "fullscreen", "b", &count)) {
|
||
user_data->fullscreen = true;
|
||
}
|
||
|
||
// Handle model override
|
||
GVariant *model_name_var = g_variant_dict_lookup_value(options, "model", G_VARIANT_TYPE_STRING);
|
||
if (model_name_var != NULL) {
|
||
const gchar *model_name = g_variant_get_string(model_name_var, NULL);
|
||
|
||
// TODO: Synchronize with GB_model_t (Core/gb.h)
|
||
if (g_str_has_prefix(model_name, "DMG")) {
|
||
if (g_str_has_suffix(model_name, "-B") || g_strcmp0(model_name, "DMG") == 0) {
|
||
user_data->model = GB_MODEL_DMG_B;
|
||
}
|
||
else {
|
||
user_data->model = GB_MODEL_DMG_B;
|
||
g_printerr("Unsupported revision: %s\nFalling back to DMG-B", model_name);
|
||
}
|
||
}
|
||
else if (g_str_has_prefix(model_name, "SGB")) {
|
||
if (g_str_has_suffix(model_name, "-NTSC") || g_strcmp0(model_name, "SGB") == 0) {
|
||
user_data->model = GB_MODEL_SGB;
|
||
}
|
||
else if (g_str_has_suffix(model_name, "-PAL")) {
|
||
user_data->model = GB_MODEL_SGB | GB_MODEL_PAL_BIT;
|
||
}
|
||
else if (g_str_has_suffix(model_name, "2")) {
|
||
user_data->model = GB_MODEL_SGB2;
|
||
}
|
||
else {
|
||
user_data->model = GB_MODEL_SGB2;
|
||
g_printerr("Unsupported revision: %s\nFalling back to SGB2", model_name);
|
||
}
|
||
}
|
||
else if (g_str_has_prefix(model_name, "CGB")) {
|
||
if (g_str_has_suffix(model_name, "-C")) {
|
||
user_data->model = GB_MODEL_CGB_C;
|
||
}
|
||
else if (g_str_has_suffix(model_name, "-E") || g_strcmp0(model_name, "CGB") == 0) {
|
||
user_data->model = GB_MODEL_CGB_E;
|
||
}
|
||
else {
|
||
user_data->model = GB_MODEL_CGB_E;
|
||
g_printerr("Unsupported revision: %s\nFalling back to CGB-E", model_name);
|
||
}
|
||
}
|
||
else if (g_str_has_prefix(model_name, "AGB")) {
|
||
user_data->model = GB_MODEL_AGB;
|
||
}
|
||
else {
|
||
g_printerr("Unknown model: %s\n", model_name);
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
}
|
||
|
||
return -1;
|
||
}
|
||
|
||
static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b) {
|
||
// We use GL_RGBA and GL_UNSIGNED_BYTE for our texture upload,
|
||
// so OpenGL expects pixel data in RGBA order in memory.
|
||
#ifdef GB_LITTLE_ENDIAN
|
||
// ABGR
|
||
uint32_t color = 0xFF000000 | (b << 16) | (g << 8) | r;
|
||
#else
|
||
// RGBA
|
||
uint32_t color = (r << 24) | (g << 16) | (b << 8) | 0xFF;
|
||
#endif
|
||
|
||
return color;
|
||
}
|
||
|
||
static uint32_t rgb_encode_fallback(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b) {
|
||
#ifdef GB_LITTLE_ENDIAN
|
||
// ARGB
|
||
uint32_t color = 0xFF000000 | (r << 16) | (g << 8) | b;
|
||
#else
|
||
// BGRA
|
||
uint32_t color = (b << 24) | (g << 16) | (r << 8) | 0xFF;
|
||
#endif
|
||
|
||
return color;
|
||
}
|
||
|
||
static void update_window_geometry() {
|
||
// Set size hints
|
||
GdkGeometry hints;
|
||
hints.min_width = GB_get_screen_width(&gb);
|
||
hints.min_height = GB_get_screen_height(&gb);
|
||
|
||
gtk_window_set_geometry_hints(
|
||
GTK_WINDOW(main_window),
|
||
NULL,
|
||
&hints,
|
||
(GdkWindowHints)(GDK_HINT_MIN_SIZE)
|
||
);
|
||
|
||
gtk_window_resize(GTK_WINDOW(main_window),
|
||
GB_get_screen_width(&gb) * 2,
|
||
GB_get_screen_height(&gb) * 2
|
||
);
|
||
|
||
// Setup our image buffers
|
||
if (image_buffers[0]) free(image_buffers[0]);
|
||
if (image_buffers[1]) free(image_buffers[1]);
|
||
if (image_buffers[2]) free(image_buffers[2]);
|
||
|
||
size_t buffer_size = sizeof(image_buffers[0][0]) * GB_get_screen_width(&gb) * GB_get_screen_height(&gb);
|
||
|
||
image_buffers[0] = malloc(buffer_size);
|
||
image_buffers[1] = malloc(buffer_size);
|
||
image_buffers[2] = malloc(buffer_size);
|
||
}
|
||
|
||
static void run(GApplication *app, UserData *user_data) {
|
||
GB_model_t prev_model = GB_get_model(&gb);
|
||
GB_model_t model = user_data->model? user_data->model : GB_MODEL_CGB_E; // TODO: Model from config
|
||
|
||
if (GB_is_inited(&gb)) {
|
||
GB_switch_model_and_reset(&gb, model);
|
||
|
||
GtkRequisition minimum_size;
|
||
GtkRequisition natural_size;
|
||
gtk_widget_get_preferred_size(GTK_WIDGET(main_window), &minimum_size, &natural_size);
|
||
|
||
// Check SGB -> non-SGB and non-SGB to SGB transitions
|
||
if (GB_get_screen_width(&gb) != minimum_size.width || GB_get_screen_height(&gb) != minimum_size.height) {
|
||
update_window_geometry();
|
||
}
|
||
}
|
||
else {
|
||
GB_init(&gb, model);
|
||
update_window_geometry();
|
||
|
||
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
|
||
GB_set_pixels_output(&gb, get_current_buffer());
|
||
GB_set_rgb_encode_callback(&gb, fallback_canvas? rgb_encode_fallback : rgb_encode);
|
||
// GB_set_sample_rate(&gb, have_aspec.freq);
|
||
GB_set_color_correction_mode(&gb, get_color_correction_mode());
|
||
GB_set_highpass_filter_mode(&gb, get_highpass_mode());
|
||
GB_set_rewind_length(&gb, config.rewind_duration);
|
||
GB_set_update_input_hint_callback(&gb, handle_events);
|
||
// GB_apu_set_sample_callback(&gb, gb_audio_callback);
|
||
}
|
||
|
||
GError *error;
|
||
char *boot_rom_path;
|
||
char *boot_rom_name;
|
||
GBytes *boot_rom_f;
|
||
const guchar *boot_rom_data;
|
||
gsize boot_rom_size;
|
||
|
||
if (user_data->boot_rom_path != NULL) {
|
||
g_print("Trying to load boot ROM from %s\n", user_data->boot_rom_path);
|
||
if (GB_load_boot_rom(&gb, user_data->boot_rom_path)) {
|
||
g_printerr("Falling back to boot ROM from config\n");
|
||
goto config_boot_rom;
|
||
}
|
||
}
|
||
else { config_boot_rom:
|
||
switch (model) {
|
||
case GB_MODEL_DMG_B:
|
||
boot_rom_name = "dmg_boot.bin";
|
||
break;
|
||
|
||
case GB_MODEL_SGB:
|
||
case GB_MODEL_SGB_PAL:
|
||
case GB_MODEL_SGB_NO_SFC:
|
||
boot_rom_name = "sgb_boot.bin";
|
||
break;
|
||
|
||
case GB_MODEL_SGB2:
|
||
case GB_MODEL_SGB2_NO_SFC:
|
||
boot_rom_name = "sgb2_boot.bin";
|
||
break;
|
||
|
||
case GB_MODEL_CGB_C:
|
||
case GB_MODEL_CGB_E:
|
||
boot_rom_name = "cgb_boot.bin";
|
||
break;
|
||
|
||
case GB_MODEL_AGB:
|
||
boot_rom_name = "agb_boot.bin";
|
||
break;
|
||
}
|
||
|
||
if (config.boot_rom_path != NULL && g_strcmp0(config.boot_rom_path, "other") != 0 && g_strcmp0(config.boot_rom_path, "auto") != 0) {
|
||
boot_rom_path = g_build_filename(config.boot_rom_path, boot_rom_name, NULL);
|
||
g_print("Trying to load boot ROM from %s\n", boot_rom_path);
|
||
|
||
if (GB_load_boot_rom(&gb, boot_rom_path)) {
|
||
g_printerr("Falling back to internal boot ROM\n");
|
||
goto internal_boot_rom;
|
||
}
|
||
}
|
||
else { internal_boot_rom:
|
||
boot_rom_path = g_build_filename(RESOURCE_PREFIX "bootroms/", boot_rom_name, NULL);
|
||
boot_rom_f = g_resources_lookup_data(boot_rom_path, G_RESOURCE_LOOKUP_FLAGS_NONE, &error);
|
||
|
||
if (boot_rom_f == NULL) {
|
||
g_printerr("Failed to load internal boot ROM: %s\n", boot_rom_path);
|
||
g_error_free(error);
|
||
exit(EXIT_FAILURE);
|
||
}
|
||
|
||
boot_rom_data = g_bytes_get_data(boot_rom_f, &boot_rom_size);
|
||
GB_load_boot_rom_from_buffer(&gb, boot_rom_data, boot_rom_size);
|
||
}
|
||
}
|
||
|
||
if (user_data->file != NULL && GB_load_rom(&gb, g_file_get_path(user_data->file)) == 0) {
|
||
/* Run emulation */
|
||
while (running) {
|
||
if (paused || rewind_paused) {
|
||
while (gtk_events_pending()) {
|
||
gtk_main_iteration();
|
||
}
|
||
}
|
||
else {
|
||
if (do_rewind) {
|
||
GB_rewind_pop(&gb);
|
||
if (turbo_down) {
|
||
GB_rewind_pop(&gb);
|
||
}
|
||
if (!GB_rewind_pop(&gb)) {
|
||
rewind_paused = true;
|
||
}
|
||
do_rewind = false;
|
||
}
|
||
GB_run(&gb);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
int main(int argc, char *argv[]) {
|
||
// Create our GApplication and tell GTK that we are able to handle files
|
||
main_application = gtk_application_new(APP_ID, G_APPLICATION_HANDLES_OPEN);
|
||
|
||
// Define our command line parameters
|
||
GOptionEntry entries[] = {
|
||
{ "version", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "Show the application version", NULL },
|
||
{ "fullscreen", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "Start in fullscreen mode", NULL },
|
||
{ "bootrom", 'b', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &user_data.boot_rom_path, "Path to the boot ROM to use", "<file path>" },
|
||
{ "model", 'm', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, NULL, "Override the model type to emulate", "<model type>" },
|
||
{ "config", 'c', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &user_data.config_path, "Override the path of the configuration file", "<file path>" },
|
||
{ NULL }
|
||
};
|
||
// Setup our command line information
|
||
g_application_add_main_option_entries(G_APPLICATION(main_application), entries);
|
||
g_application_set_option_context_parameter_string(G_APPLICATION(main_application), "[FILE…]");
|
||
g_application_set_option_context_summary(G_APPLICATION(main_application), "SameBoy is an open source Game Boy (DMG) and Game Boy Color (CGB) emulator.");
|
||
|
||
// Add signal handlers
|
||
g_signal_connect(main_application, "handle-local-options", G_CALLBACK(handle_local_options), &user_data);
|
||
g_signal_connect(main_application, "startup", G_CALLBACK(startup), &user_data);
|
||
g_signal_connect(main_application, "activate", G_CALLBACK(activate), &user_data);
|
||
g_signal_connect(main_application, "open", G_CALLBACK(open), &user_data);
|
||
g_signal_connect(main_application, "shutdown", G_CALLBACK(shutdown), &user_data);
|
||
|
||
// Start our GApplication main loop
|
||
int status = g_application_run(G_APPLICATION(main_application), argc, argv);
|
||
g_object_unref(main_application);
|
||
|
||
return status;
|
||
}
|