275 lines
7.9 KiB
Rust
275 lines
7.9 KiB
Rust
mod editor;
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mod interfaces;
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use crate::{editor::MapEditorState,
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interfaces::*};
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use gdk_pixbuf_sys::*;
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use gdk_sys::*;
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use gio_sys::*;
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use glib_sys::*;
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use gobject_sys::*;
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use gtk_sys::*;
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use maraiah::{c_str, durandal::ffi};
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/// Called whne the application activates in order to set everything up.
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unsafe extern "C" fn app_activate(app: *mut GtkApplication, dat: gpointer)
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{
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let dat = dat as *mut Option<MapEditorState>;
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let dat = &mut *dat;
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let _ = dat;
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setup_css();
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let path = c_str!("/net/greyserv/maraiah/tycho/ui");
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let b = gtk_builder_new_from_resource(path);
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setup_draw_area(b);
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setup_win_map_view(b);
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setup_win_map_tools(b);
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setup_win_map_prop(b);
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setup_about_dlg(b);
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setup_win_main(b, app);
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g_object_unref(b as _);
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}
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/// Sets up the map view window's drawing area.
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unsafe fn setup_draw_area(b: *mut GtkBuilder)
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{
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struct RenderState
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{
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im_nomap: *mut GdkPixbuf,
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ax: *mut GtkAdjustment,
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ay: *mut GtkAdjustment,
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}
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unsafe extern "C" fn c_done(_: *mut GtkWidget, dat: gpointer)
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{
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let dat = Box::from_raw(dat as *mut RenderState);
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g_object_unref(dat.im_nomap as _);
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g_object_unref(dat.ax as _);
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g_object_unref(dat.ay as _);
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// data is dropped and freed here
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}
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unsafe extern "C" fn c_draw(wid: *mut GtkWidget,
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ctx: *mut cairo_sys::cairo_t,
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dat: gpointer)
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-> gboolean
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{
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let dat = dat as *mut RenderState;
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let dat = &mut *dat;
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let w = f64::from(gtk_widget_get_allocated_width(wid));
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let h = f64::from(gtk_widget_get_allocated_height(wid));
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gtk_adjustment_set_lower(dat.ax, 0.0);
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gtk_adjustment_set_upper(dat.ax, w);
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gtk_adjustment_set_lower(dat.ay, 0.0);
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gtk_adjustment_set_upper(dat.ay, h);
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let im = CrImage(dat.im_nomap);
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let dr = CrDrawArea::new(ctx, w, h);
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MapEditorState::draw_none(&dr, &im);
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1
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}
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let wid: *mut GtkDrawingArea = get_obj(b, c_str!("draw-area"));
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let ax: *mut GtkAdjustment = get_obj(b, c_str!("adj-map-horz"));
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let ay: *mut GtkAdjustment = get_obj(b, c_str!("adj-map-vert"));
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g_object_ref(ax as _);
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g_object_ref(ay as _);
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let im_nomap = load_img(c_str!("/net/greyserv/maraiah/tycho/tycho1.png"));
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let dat = RenderState{im_nomap, ax, ay};
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let dat = Box::into_raw(Box::new(dat));
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connect(wid as _, c_str!("destroy"), c_done as _, dat as _);
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connect(wid as _, c_str!("draw"), c_draw as _, dat as _);
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}
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/// Sets up the map view window.
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unsafe fn setup_win_map_view(b: *mut GtkBuilder)
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{
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let win: *mut GtkWindow = get_obj(b, c_str!("win-map-view"));
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let btn: *mut GtkMenuItem = get_obj(b, c_str!("btn-show-map-view"));
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connect_hide(win as _);
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connect_show(btn as _, win as _);
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}
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/// Sets up the map tools window.
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unsafe fn setup_win_map_tools(b: *mut GtkBuilder)
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{
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let win: *mut GtkWindow = get_obj(b, c_str!("win-map-tools"));
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let btn: *mut GtkMenuItem = get_obj(b, c_str!("btn-show-map-tools"));
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connect_hide(win as _);
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connect_show(btn as _, win as _);
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}
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/// Sets up the map properties window.
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unsafe fn setup_win_map_prop(b: *mut GtkBuilder)
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{
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let win: *mut GtkWindow = get_obj(b, c_str!("win-map-prop"));
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let btn: *mut GtkMenuItem = get_obj(b, c_str!("btn-show-map-prop"));
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connect_hide(win as _);
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connect_show(btn as _, win as _);
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}
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/// Sets up the about dialogue.
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unsafe fn setup_about_dlg(b: *mut GtkBuilder)
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{
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/// Callback to show the dialogue when the "About" button is pressed, and
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/// hide it when the "Close" button is pressed on it.
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unsafe extern "C" fn c_show(_: *mut GtkWidget, dlg: gpointer)
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{
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gtk_dialog_run(dlg as _);
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gtk_widget_hide(dlg as _);
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}
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let dlg: *mut GtkAboutDialog = get_obj(b, c_str!("win-about"));
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let btn: *mut GtkMenuItem = get_obj(b, c_str!("btn-about"));
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let it = env!("CARGO_PKG_AUTHORS").split(';');
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let mut v = ffi::CStringVec::new_from_iter(it).unwrap();
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let img = load_img(c_str!("/net/greyserv/maraiah/tycho/tycho2.png"));
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gtk_about_dialog_set_authors(dlg, v.as_mut_ptr());
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gtk_about_dialog_set_version(dlg, c_str!(env!("CARGO_PKG_VERSION")));
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gtk_about_dialog_set_website(dlg, c_str!(env!("CARGO_PKG_HOMEPAGE")));
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gtk_about_dialog_set_logo(dlg, img);
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connect_hide(dlg as _);
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connect(btn as _, c_str!("activate"), c_show as _, dlg as _);
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g_object_unref(img as _);
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}
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/// Sets up the main menu window.
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unsafe fn setup_win_main(b: *mut GtkBuilder, app: *mut GtkApplication)
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{
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/// Callback to close the window when the "Quit" button is pressed.
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unsafe extern "C" fn c_quit(_: *mut GtkWidget, win: gpointer)
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{
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gtk_window_close(win as _);
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}
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let win: *mut GtkWindow = get_obj(b, c_str!("win-main"));
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let btn: *mut GtkMenuItem = get_obj(b, c_str!("btn-quit"));
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gtk_window_set_application(win, app);
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gtk_widget_show_all(win as _);
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connect(btn as _, c_str!("activate"), c_quit as _, win as _);
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}
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/// Sets up the CSS styling providers.
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unsafe fn setup_css()
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{
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let path = c_str!("/net/greyserv/maraiah/tycho/css");
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let css = gtk_css_provider_new();
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gtk_css_provider_load_from_resource(css, path);
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let scr = gdk_screen_get_default();
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let pri = GTK_STYLE_PROVIDER_PRIORITY_APPLICATION as u32;
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gtk_style_context_add_provider_for_screen(scr, css as _, pri);
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g_object_unref(css as _);
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}
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/// Connects a handler that shows a widget when activated.
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unsafe fn connect_hide(wid: *mut GtkWidget)
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{
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/// Callback to hide a widget.
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unsafe extern "C" fn c_hide(wid: *mut GtkWidget,
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_: *mut GdkEvent,
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_: gpointer)
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{
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gtk_widget_hide(wid);
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}
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connect(wid as _, c_str!("delete-event"), c_hide as _, ffi::null_mut());
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}
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/// Connects a handler that shows a widget when activated.
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unsafe fn connect_show(btn: *mut GtkWidget, wid: *mut GtkWidget)
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{
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unsafe extern "C" fn c_show(_: *mut GtkWidget, wid: gpointer)
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{
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gtk_widget_show_all(wid as _);
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}
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connect(btn as _, c_str!("activate"), c_show as _, wid as _);
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}
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/// Gets an object from a `GtkBuilder`.
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unsafe fn get_obj<T>(b: *mut GtkBuilder, name: ffi::NT) -> *mut T
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{
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let obj = gtk_builder_get_object(b, name);
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obj as _
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}
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/// Connects a signal handler.
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unsafe fn connect(obj: *mut GObject, name: ffi::NT, cb: gpointer, d: gpointer)
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{
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let cb = std::mem::transmute(cb);
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g_signal_connect_data(obj, name, cb, d, None, 0);
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}
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/// Loads a `Pixbuf` from a resource.
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unsafe fn load_img(path: ffi::NT) -> *mut GdkPixbuf
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{
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gdk_pixbuf_new_from_resource(path, ffi::null_mut())
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}
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/// Entry point.
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fn main()
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{
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unsafe {
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// get jacked, punk. opaque data structures are for nerds.
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const RESOURCE_DATA: &[u8] =
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include_bytes!(concat!(env!("OUT_DIR"), "/resources"));
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// first we create the static resource header, which is really simple
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let mut resource = GStaticResource{data: RESOURCE_DATA.as_ptr(),
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data_len: RESOURCE_DATA.len(),
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resource: ffi::null_mut(),
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next: ffi::null_mut(),
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padding: ffi::null_mut()};
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// init it, now we can use it throughout the entire app without copying!
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g_static_resource_init(&mut resource);
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// create a container for the editor state
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let dat = Box::into_raw(Box::new(None::<MapEditorState>));
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// create and run the app
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let name = c_str!("net.greyserv.maraiah.tycho");
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let app = gtk_application_new(name, 0);
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connect(app as _, c_str!("activate"), app_activate as _, dat as _);
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g_application_run(app as _, 0, ffi::null_mut());
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// ok, clean up all this crap now
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g_object_unref(app as _);
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drop(Box::from_raw(dat));
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// deinit the "static" data, and everything will be done
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g_static_resource_fini(&mut resource);
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}
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}
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// EOF
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