src/layout.c

   1 /*
   2  * Copyright © 2019 Collabora, Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial
  14  * portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #include "ivi-compositor.h"
  27
  28 #include <assert.h>
  29 #include <string.h>
  30
  31 #include <libweston-6/compositor.h>
  32 #include <libweston-6/libweston-desktop.h>
  33
  34 #define AGL_COMP_DEBUG
  35
  36 static void
  37 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
  38 {
  39         struct weston_output *woutput = output->output;
  40         struct ivi_surface *bg = output->background;
  41         struct weston_view *view;
  42
  43         if (!bg) {
  44                 weston_log("WARNING: Output does not have a background\n");
  45                 return;
  46         }
  47
  48         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
  49
  50         view = bg->view;
  51
  52         weston_view_set_output(view, woutput);
  53         weston_view_set_position(view, woutput->x, woutput->y);
  54
  55 #ifdef AGL_COMP_DEBUG
  56         weston_log("(background) position view %p, x %d, y %d\n", view,
  57                         woutput->x, woutput->y);
  58 #endif
  59
  60         view->is_mapped = true;
  61         view->surface->is_mapped = true;
  62
  63         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  64 }
  65
  66 static void
  67 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  68                struct ivi_surface *panel)
  69 {
  70         struct weston_output *woutput = output->output;
  71         struct weston_desktop_surface *dsurface;
  72         struct weston_view *view;
  73         struct weston_geometry geom;
  74         int x = woutput->x;
  75         int y = woutput->y;
  76
  77         if (!panel)
  78                 return;
  79
  80         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
  81         dsurface = panel->dsurface;
  82         view = panel->view;
  83         geom = weston_desktop_surface_get_geometry(dsurface);
  84 #ifdef AGL_COMP_DEBUG
  85         weston_log("geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
  86                         geom.width, geom.height, geom.x, geom.y);
  87 #endif
  88         switch (panel->panel.edge) {
  89         case AGL_SHELL_EDGE_TOP:
  90                 output->area.y += geom.height;
  91                 output->area.height -= geom.height;
  92                 break;
  93         case AGL_SHELL_EDGE_BOTTOM:
  94                 y += woutput->height - geom.height;
  95                 output->area.height -= geom.height;
  96                 break;
  97         case AGL_SHELL_EDGE_LEFT:
  98                 output->area.x += geom.width;
  99                 output->area.width -= geom.width;
 100                 break;
 101         case AGL_SHELL_EDGE_RIGHT:
 102                 x += woutput->width - geom.width;
 103                 output->area.width -= geom.width;
 104                 break;
 105         }
 106
 107         x -= geom.x;
 108         y -= geom.y;
 109
 110         weston_view_set_output(view, woutput);
 111         weston_view_set_position(view, x, y);
 112 #ifdef AGL_COMP_DEBUG
 113         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 114                         panel->panel.edge, view, x, y);
 115 #endif
 116
 117         /* this is necessary for cases we already mapped it desktop_committed()
 118          * but we not running the older qtwayland, so we still have a chance
 119          * for this to run at the next test */
 120         if (view->surface->is_mapped) {
 121                 weston_layer_entry_remove(&view->layer_link);
 122
 123                 view->is_mapped = false;
 124                 view->surface->is_mapped = false;
 125         }
 126
 127         /* give ivi_layout_panel_committed() a chance to map the view/surface
 128          * instead */
 129         if ((geom.width == geom.height && geom.width == 0) &&
 130             (geom.x == geom.y && geom.x == 0) &&
 131             panel->panel.edge != AGL_SHELL_EDGE_TOP)
 132                 return;
 133
 134         view->is_mapped = true;
 135         view->surface->is_mapped = true;
 136 #ifdef AGL_COMP_DEBUG
 137         weston_log("panel type %d inited\n", panel->panel.edge);
 138 #endif
 139         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 140 }
 141
 142 /*
 143  * Initializes all static parts of the layout, i.e. the background and panels.
 144  */
 145 void
 146 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 147 {
 148         ivi_background_init(ivi, output);
 149
 150         output->area.x = 0;
 151         output->area.y = 0;
 152         output->area.width = output->output->width;
 153         output->area.height = output->output->height;
 154
 155         ivi_panel_init(ivi, output, output->top);
 156         ivi_panel_init(ivi, output, output->bottom);
 157         ivi_panel_init(ivi, output, output->left);
 158         ivi_panel_init(ivi, output, output->right);
 159
 160         weston_compositor_schedule_repaint(ivi->compositor);
 161
 162         weston_log("Usable area: %dx%d+%d,%d\n",
 163                    output->area.width, output->area.height,
 164                    output->area.x, output->area.y);
 165 }
 166
 167 static struct ivi_surface *
 168 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 169 {
 170         struct ivi_surface *surf;
 171         const char *id;
 172
 173         wl_list_for_each(surf, &ivi->surfaces, link) {
 174                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 175                 if (id && strcmp(app_id, id) == 0)
 176                         return surf;
 177         }
 178
 179         return NULL;
 180 }
 181
 182 static void
 183 ivi_layout_activate_complete(struct ivi_output *output,
 184                              struct ivi_surface *surf)
 185 {
 186         struct ivi_compositor *ivi = output->ivi;
 187         struct weston_output *woutput = output->output;
 188         struct weston_view *view = surf->view;
 189
 190         if (weston_view_is_mapped(view)) {
 191                 weston_layer_entry_remove(&view->layer_link);
 192         }
 193
 194         weston_view_set_output(view, woutput);
 195         weston_view_set_position(view,
 196                                  woutput->x + output->area.x,
 197                                  woutput->y + output->area.y);
 198
 199         view->is_mapped = true;
 200         view->surface->is_mapped = true;
 201
 202         if (output->active) {
 203                 output->active->view->is_mapped = false;
 204                 output->active->view->surface->is_mapped = false;
 205
 206                 weston_layer_entry_remove(&output->active->view->layer_link);
 207         }
 208         output->active = surf;
 209
 210         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 211         weston_view_update_transform(view);
 212
 213         /* force repaint of the entire output */
 214         weston_output_damage(output->output);
 215         surf->desktop.pending_output = NULL;
 216 }
 217
 218 static struct ivi_output *
 219 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 220 {
 221         struct ivi_output *out;
 222
 223         wl_list_for_each(out, &ivi->outputs, link) {
 224                 if (out->background &&
 225                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 226                         return out;
 227         }
 228
 229         return NULL;
 230 }
 231
 232 void
 233 ivi_layout_desktop_committed(struct ivi_surface *surf)
 234 {
 235         struct weston_desktop_surface *dsurf = surf->dsurface;
 236         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 237         struct ivi_output *output;
 238
 239         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
 240
 241         output = surf->desktop.pending_output;
 242         if (!output) {
 243                 struct ivi_output *ivi_bg_output;
 244
 245                 /* FIXME: This should be changed to determine if the policy
 246                  * database allows that to happen */
 247                 if (!surf->ivi->quirks.activate_apps_by_default)
 248                         return;
 249
 250                 ivi_bg_output = ivi_layout_find_bg_output(surf->ivi);
 251
 252                 /* use the output of the bg to activate the app on start-up by
 253                  * default */
 254                 if (surf->view && ivi_bg_output) {
 255                         const char *app_id =
 256                                 weston_desktop_surface_get_app_id(dsurf);
 257                         if (app_id && ivi_bg_output)
 258                                 ivi_layout_activate(ivi_bg_output, app_id);
 259                 }
 260
 261                 return;
 262         }
 263
 264         if (!weston_desktop_surface_get_maximized(dsurf) ||
 265             geom.width != output->area.width ||
 266             geom.height != output->area.height)
 267                 return;
 268
 269         ivi_layout_activate_complete(output, surf);
 270 }
 271
 272 void
 273 ivi_layout_panel_committed(struct ivi_surface *surface)
 274 {
 275         struct ivi_compositor *ivi = surface->ivi;
 276         struct ivi_output *output = surface->bg.output;
 277         struct weston_output *woutput = output->output;
 278         struct weston_desktop_surface *dsurface = surface->dsurface;
 279         struct weston_surface *wsurface =
 280                 weston_desktop_surface_get_surface(dsurface);
 281         struct weston_geometry geom;
 282         int x = woutput->x;
 283         int y = woutput->y;
 284
 285         assert(surface->role == IVI_SURFACE_ROLE_PANEL);
 286
 287         /*
 288          * If the desktop_surface geometry is not set and the panel is not a
 289          * top one, we'll give this a chance to run, as some qtwayland version
 290          * seem to have a 'problem', where the panel initilization part will
 291          * have a desktop surface with 0 as geometry for *all* its members
 292          * (width/height). Doing that will result in the panel not being
 293          * displayed at all.
 294          *
 295          * Later versions of qtwayland do have the correct window geometry for
 296          * the desktop surface so the weston_surface is already mapped in
 297          * ivi_panel_init().
 298          */
 299         if (wsurface->is_mapped)
 300                 return;
 301
 302         geom = weston_desktop_surface_get_geometry(dsurface);
 303
 304 #ifdef AGL_COMP_DEBUG
 305         weston_log("geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 306                         geom.width, geom.height, geom.x, geom.y);
 307 #endif
 308
 309         switch (surface->panel.edge) {
 310         case AGL_SHELL_EDGE_TOP:
 311                 /* Do nothing */
 312                 break;
 313         case AGL_SHELL_EDGE_BOTTOM:
 314                 y += woutput->height - geom.height;
 315                 break;
 316         case AGL_SHELL_EDGE_LEFT:
 317                 /* Do nothing */
 318                 break;
 319         case AGL_SHELL_EDGE_RIGHT:
 320                 x += woutput->width - geom.width;
 321                 break;
 322         }
 323 #ifndef AGL_COMP_DEBUG
 324         weston_log("panel type %d commited\n", surface->panel.edge);
 325 #endif
 326
 327         weston_view_set_output(surface->view, woutput);
 328         weston_view_set_position(surface->view, x, y);
 329         weston_layer_entry_insert(&ivi->panel.view_list,
 330                                   &surface->view->layer_link);
 331
 332         weston_view_update_transform(surface->view);
 333         weston_view_schedule_repaint(surface->view);
 334
 335         wsurface->is_mapped = true;
 336         surface->view->is_mapped = true;
 337 }
 338
 339 void
 340 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 341 {
 342         struct ivi_compositor *ivi = output->ivi;
 343         struct ivi_surface *surf;
 344         struct weston_desktop_surface *dsurf;
 345         struct weston_view *view;
 346         struct weston_geometry geom;
 347
 348         surf = ivi_find_app(ivi, app_id);
 349         if (!surf)
 350                 return;
 351 #ifdef AGL_COMP_DEBUG
 352         weston_log("Found app_id %s\n", app_id);
 353 #endif
 354         if (surf == output->active)
 355                 return;
 356
 357         dsurf = surf->dsurface;
 358         view = surf->view;
 359         geom = weston_desktop_surface_get_geometry(dsurf);
 360
 361         if (weston_desktop_surface_get_maximized(dsurf) &&
 362             geom.width == output->area.width &&
 363             geom.height == output->area.height) {
 364                 ivi_layout_activate_complete(output, surf);
 365                 return;
 366         }
 367
 368         weston_desktop_surface_set_maximized(dsurf, true);
 369         weston_desktop_surface_set_size(dsurf,
 370                                         output->area.width,
 371                                         output->area.height);
 372
 373         /*
 374          * If the view isn't mapped, we put it onto the hidden layer so it will
 375          * start receiving frame events, and will be able to act on our
 376          * configure event.
 377          */
 378         if (!weston_view_is_mapped(view)) {
 379                 view->is_mapped = true;
 380                 view->surface->is_mapped = true;
 381
 382                 weston_view_set_output(view, output->output);
 383                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 384                 /* force repaint of the entire output */
 385                 weston_output_damage(output->output);
 386         }
 387
 388         surf->desktop.pending_output = output;
 389 }