117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
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#include "window.h"
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#include "../application_context.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <wayland-egl.h>
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/******************************/
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/********XDG surface **********/
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/******************************/
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/* listener bound to the various xdg_surfaces for listening to "configure" events
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the client should rearrange its surfaces to accomodate the new state
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the client should answer to (ACK) the event
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*/
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void surface_configure(void *data, struct xdg_surface *xdg_surface,
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uint32_t serial) {
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(void) data;
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xdg_surface_ack_configure(xdg_surface, serial);
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}
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/*
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listener to be bound on XDG surfaces
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the only event declared by the xdg_surface is the "configure" one
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indicates the hint for the client to update the arrangement of surfaces ( i.e. change of resolution )
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*/
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const struct xdg_surface_listener surface_listener = {
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surface_configure
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};
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/******************************/
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/********XDG Toplevel**********/
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/******************************/
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/* listener bound to the toplevel surface
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the toplevel may raise a "configure" event, which hints the client about reconfiguring its state
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here we propagate the new width and height to the EGL window ( probably for readjusting buffers )
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*/
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void toplevel_configure(
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void *data,
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struct xdg_toplevel *xdg_toplevel,
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int32_t width,
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int32_t height,
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struct wl_array *states
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) {
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(void) states;
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window *win = data;
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if( ! win || win->xdg_toplevel != xdg_toplevel){
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fprintf(stderr, "inconsistency during toplevel configure\n");
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fprintf(stderr, "window->xdg_toplevel %p\nxdg_toplevel %p\n",
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(void*) win->xdg_toplevel,
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(void*) xdg_toplevel
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);
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exit(EXIT_FAILURE);
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}
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if(!width && !height) return;
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if( win->dimensions->w != width || win->dimensions->h != height) {
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win->dimensions->w = width;
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win->dimensions->h = height;
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wl_egl_window_resize(win->egl_window, width, height, 0, 0);
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wl_surface_commit(win->surface);
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}
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}
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void toplevel_close( void *data, struct xdg_toplevel *xdg_toplevel) {
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(void) xdg_toplevel;
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application_context *app = data;
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app->running = 0;
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}
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const struct xdg_toplevel_listener toplevel_listener = {
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toplevel_configure,
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toplevel_close
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};
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/******************************/
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/************APIs**************/
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/******************************/
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window* window_malloc(){
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return malloc( sizeof( window));
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}
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window* window_new(
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const char *title,
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ui_dimensions *dim,
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wl_context *w,
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void *app
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){
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window *win = window_malloc();
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win->egl_window = NULL;
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win->egl_surface = NULL;
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win->dimensions = dim;
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win->surface = wl_compositor_create_surface( w->builders->compositor);
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win->xdg_surface = xdg_wm_base_get_xdg_surface( w->builders->xdg_wm_base, win->surface);
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xdg_surface_add_listener( win->xdg_surface, &surface_listener, NULL);
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win->xdg_toplevel = xdg_surface_get_toplevel( win->xdg_surface);
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xdg_toplevel_set_title( win->xdg_toplevel, title);
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xdg_toplevel_add_listener( win->xdg_toplevel, &toplevel_listener, win);
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wl_surface_commit( win->surface);
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return win;
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}
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