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 #include "policy.h"
  28
  29 #include <assert.h>
  30 #include <string.h>
  31
  32 #include <libweston/libweston.h>
  33 #include <libweston-desktop/libweston-desktop.h>
  34
  35 #define AGL_COMP_DEBUG
  36
  37 static void
  38 ivi_background_init(struct ivi_compositor *ivi, struct ivi_output *output)
  39 {
  40         struct weston_output *woutput = output->output;
  41         struct ivi_surface *bg = output->background;
  42         struct weston_view *view;
  43
  44         if (!bg) {
  45                 weston_log("WARNING: Output does not have a background\n");
  46                 return;
  47         }
  48
  49         assert(bg->role == IVI_SURFACE_ROLE_BACKGROUND);
  50
  51         view = bg->view;
  52
  53         weston_view_set_output(view, woutput);
  54         weston_view_set_position(view, woutput->x, woutput->y);
  55
  56 #ifdef AGL_COMP_DEBUG
  57         weston_log("(background) position view %p, x %d, y %d\n", view,
  58                         woutput->x, woutput->y);
  59 #endif
  60
  61         view->is_mapped = true;
  62         view->surface->is_mapped = true;
  63
  64         weston_layer_entry_insert(&ivi->background.view_list, &view->layer_link);
  65 }
  66
  67 static void
  68 ivi_panel_init(struct ivi_compositor *ivi, struct ivi_output *output,
  69                struct ivi_surface *panel)
  70 {
  71         struct weston_output *woutput = output->output;
  72         struct weston_desktop_surface *dsurface;
  73         struct weston_view *view;
  74         struct weston_geometry geom;
  75         int x = woutput->x;
  76         int y = woutput->y;
  77
  78         if (!panel)
  79                 return;
  80
  81         assert(panel->role == IVI_SURFACE_ROLE_PANEL);
  82         dsurface = panel->dsurface;
  83         view = panel->view;
  84         geom = weston_desktop_surface_get_geometry(dsurface);
  85 #ifdef AGL_COMP_DEBUG
  86         weston_log("geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
  87                         geom.width, geom.height, geom.x, geom.y);
  88 #endif
  89         switch (panel->panel.edge) {
  90         case AGL_SHELL_EDGE_TOP:
  91                 output->area.y += geom.height;
  92                 output->area.height -= geom.height;
  93                 break;
  94         case AGL_SHELL_EDGE_BOTTOM:
  95                 y += woutput->height - geom.height;
  96                 output->area.height -= geom.height;
  97                 break;
  98         case AGL_SHELL_EDGE_LEFT:
  99                 output->area.x += geom.width;
 100                 output->area.width -= geom.width;
 101                 break;
 102         case AGL_SHELL_EDGE_RIGHT:
 103                 x += woutput->width - geom.width;
 104                 output->area.width -= geom.width;
 105                 break;
 106         }
 107
 108         x -= geom.x;
 109         y -= geom.y;
 110
 111         weston_view_set_output(view, woutput);
 112         weston_view_set_position(view, x, y);
 113 #ifdef AGL_COMP_DEBUG
 114         weston_log("(panel) edge %d position view %p, x %d, y %d\n",
 115                         panel->panel.edge, view, x, y);
 116 #endif
 117
 118         /* this is necessary for cases we already mapped it desktop_committed()
 119          * but we not running the older qtwayland, so we still have a chance
 120          * for this to run at the next test */
 121         if (view->surface->is_mapped) {
 122                 weston_layer_entry_remove(&view->layer_link);
 123
 124                 view->is_mapped = false;
 125                 view->surface->is_mapped = false;
 126         }
 127
 128         /* give ivi_layout_panel_committed() a chance to map the view/surface
 129          * instead */
 130         if ((geom.width == geom.height && geom.width == 0) &&
 131             (geom.x == geom.y && geom.x == 0) &&
 132             panel->panel.edge != AGL_SHELL_EDGE_TOP)
 133                 return;
 134
 135         view->is_mapped = true;
 136         view->surface->is_mapped = true;
 137 #ifdef AGL_COMP_DEBUG
 138         weston_log("panel type %d inited\n", panel->panel.edge);
 139 #endif
 140         weston_layer_entry_insert(&ivi->panel.view_list, &view->layer_link);
 141 }
 142
 143 /*
 144  * Initializes all static parts of the layout, i.e. the background and panels.
 145  */
 146 void
 147 ivi_layout_init(struct ivi_compositor *ivi, struct ivi_output *output)
 148 {
 149         ivi_background_init(ivi, output);
 150
 151         output->area.x = 0;
 152         output->area.y = 0;
 153         output->area.width = output->output->width;
 154         output->area.height = output->output->height;
 155
 156         ivi_panel_init(ivi, output, output->top);
 157         ivi_panel_init(ivi, output, output->bottom);
 158         ivi_panel_init(ivi, output, output->left);
 159         ivi_panel_init(ivi, output, output->right);
 160
 161         weston_compositor_schedule_repaint(ivi->compositor);
 162
 163         weston_log("Usable area: %dx%d+%d,%d\n",
 164                    output->area.width, output->area.height,
 165                    output->area.x, output->area.y);
 166 }
 167
 168 static struct ivi_surface *
 169 ivi_find_app(struct ivi_compositor *ivi, const char *app_id)
 170 {
 171         struct ivi_surface *surf;
 172         const char *id;
 173
 174         wl_list_for_each(surf, &ivi->surfaces, link) {
 175                 id = weston_desktop_surface_get_app_id(surf->dsurface);
 176                 if (id && strcmp(app_id, id) == 0)
 177                         return surf;
 178         }
 179
 180         return NULL;
 181 }
 182
 183 static void
 184 ivi_layout_activate_complete(struct ivi_output *output,
 185                              struct ivi_surface *surf)
 186 {
 187         struct ivi_compositor *ivi = output->ivi;
 188         struct weston_output *woutput = output->output;
 189         struct weston_view *view = surf->view;
 190
 191         if (weston_view_is_mapped(view)) {
 192                 weston_layer_entry_remove(&view->layer_link);
 193         }
 194
 195         weston_view_set_output(view, woutput);
 196         weston_view_set_position(view,
 197                                  woutput->x + output->area.x,
 198                                  woutput->y + output->area.y);
 199
 200         view->is_mapped = true;
 201         view->surface->is_mapped = true;
 202
 203         if (output->active) {
 204                 output->active->view->is_mapped = false;
 205                 output->active->view->surface->is_mapped = false;
 206
 207                 weston_layer_entry_remove(&output->active->view->layer_link);
 208         }
 209         output->active = surf;
 210
 211         weston_layer_entry_insert(&ivi->normal.view_list, &view->layer_link);
 212         weston_view_update_transform(view);
 213
 214         /* force repaint of the entire output */
 215         weston_output_damage(output->output);
 216         surf->desktop.last_output = surf->desktop.pending_output;
 217         surf->desktop.pending_output = NULL;
 218 }
 219
 220 static struct ivi_output *
 221 ivi_layout_find_bg_output(struct ivi_compositor *ivi)
 222 {
 223         struct ivi_output *out;
 224
 225         wl_list_for_each(out, &ivi->outputs, link) {
 226                 if (out->background &&
 227                     out->background->role == IVI_SURFACE_ROLE_BACKGROUND)
 228                         return out;
 229         }
 230
 231         return NULL;
 232 }
 233
 234 void
 235 ivi_layout_desktop_committed(struct ivi_surface *surf)
 236 {
 237         struct weston_desktop_surface *dsurf = surf->dsurface;
 238         struct weston_geometry geom = weston_desktop_surface_get_geometry(dsurf);
 239         struct ivi_output *output;
 240
 241         assert(surf->role == IVI_SURFACE_ROLE_DESKTOP);
 242
 243         output = surf->desktop.pending_output;
 244         if (!output) {
 245                 struct ivi_output *ivi_bg_output;
 246
 247                 /* FIXME: This should be changed to determine if the policy
 248                  * database allows that to happen */
 249                 if (!surf->ivi->quirks.activate_apps_by_default)
 250                         return;
 251
 252                 ivi_bg_output = ivi_layout_find_bg_output(surf->ivi);
 253
 254                 /* use the output of the bg to activate the app on start-up by
 255                  * default */
 256                 if (surf->view && ivi_bg_output) {
 257                         const char *app_id =
 258                                 weston_desktop_surface_get_app_id(dsurf);
 259                         if (app_id && ivi_bg_output)
 260                                 ivi_layout_activate(ivi_bg_output, app_id);
 261                 }
 262
 263                 return;
 264         }
 265
 266         if (!weston_desktop_surface_get_maximized(dsurf) ||
 267             geom.width != output->area.width ||
 268             geom.height != output->area.height)
 269                 return;
 270
 271         ivi_layout_activate_complete(output, surf);
 272 }
 273
 274 void
 275 ivi_layout_panel_committed(struct ivi_surface *surface)
 276 {
 277         struct ivi_compositor *ivi = surface->ivi;
 278         struct ivi_output *output = surface->bg.output;
 279         struct weston_output *woutput = output->output;
 280         struct weston_desktop_surface *dsurface = surface->dsurface;
 281         struct weston_surface *wsurface =
 282                 weston_desktop_surface_get_surface(dsurface);
 283         struct weston_geometry geom;
 284         int x = woutput->x;
 285         int y = woutput->y;
 286
 287         assert(surface->role == IVI_SURFACE_ROLE_PANEL);
 288
 289         /*
 290          * If the desktop_surface geometry is not set and the panel is not a
 291          * top one, we'll give this a chance to run, as some qtwayland version
 292          * seem to have a 'problem', where the panel initilization part will
 293          * have a desktop surface with 0 as geometry for *all* its members
 294          * (width/height). Doing that will result in the panel not being
 295          * displayed at all.
 296          *
 297          * Later versions of qtwayland do have the correct window geometry for
 298          * the desktop surface so the weston_surface is already mapped in
 299          * ivi_panel_init().
 300          */
 301         if (wsurface->is_mapped)
 302                 return;
 303
 304         geom = weston_desktop_surface_get_geometry(dsurface);
 305
 306 #ifdef AGL_COMP_DEBUG
 307         weston_log("geom.width %d, geom.height %d, geom.x %d, geom.y %d\n",
 308                         geom.width, geom.height, geom.x, geom.y);
 309 #endif
 310
 311         switch (surface->panel.edge) {
 312         case AGL_SHELL_EDGE_TOP:
 313                 /* Do nothing */
 314                 break;
 315         case AGL_SHELL_EDGE_BOTTOM:
 316                 y += woutput->height - geom.height;
 317                 break;
 318         case AGL_SHELL_EDGE_LEFT:
 319                 /* Do nothing */
 320                 break;
 321         case AGL_SHELL_EDGE_RIGHT:
 322                 x += woutput->width - geom.width;
 323                 break;
 324         }
 325 #ifndef AGL_COMP_DEBUG
 326         weston_log("panel type %d commited\n", surface->panel.edge);
 327 #endif
 328
 329         weston_view_set_output(surface->view, woutput);
 330         weston_view_set_position(surface->view, x, y);
 331         weston_layer_entry_insert(&ivi->panel.view_list,
 332                                   &surface->view->layer_link);
 333
 334         weston_view_update_transform(surface->view);
 335         weston_view_schedule_repaint(surface->view);
 336
 337         wsurface->is_mapped = true;
 338         surface->view->is_mapped = true;
 339 }
 340
 341 void
 342 ivi_layout_activate(struct ivi_output *output, const char *app_id)
 343 {
 344         struct ivi_compositor *ivi = output->ivi;
 345         struct ivi_surface *surf;
 346         struct weston_desktop_surface *dsurf;
 347         struct weston_view *view;
 348         struct weston_geometry geom;
 349         struct ivi_policy *policy = output->ivi->policy;
 350
 351         surf = ivi_find_app(ivi, app_id);
 352         if (!surf)
 353                 return;
 354
 355         if (policy && policy->api.surface_activate &&
 356             !policy->api.surface_activate(surf, surf->ivi)) {
 357                 return;
 358         }
 359
 360 #ifdef AGL_COMP_DEBUG
 361         weston_log("Found app_id %s\n", app_id);
 362 #endif
 363         if (surf == output->active)
 364                 return;
 365
 366         dsurf = surf->dsurface;
 367         view = surf->view;
 368         geom = weston_desktop_surface_get_geometry(dsurf);
 369
 370         if (weston_desktop_surface_get_maximized(dsurf) &&
 371             geom.width == output->area.width &&
 372             geom.height == output->area.height) {
 373                 ivi_layout_activate_complete(output, surf);
 374                 return;
 375         }
 376
 377         weston_desktop_surface_set_maximized(dsurf, true);
 378         weston_desktop_surface_set_size(dsurf,
 379                                         output->area.width,
 380                                         output->area.height);
 381
 382         /*
 383          * If the view isn't mapped, we put it onto the hidden layer so it will
 384          * start receiving frame events, and will be able to act on our
 385          * configure event.
 386          */
 387         if (!weston_view_is_mapped(view)) {
 388                 view->is_mapped = true;
 389                 view->surface->is_mapped = true;
 390
 391                 weston_view_set_output(view, output->output);
 392                 weston_layer_entry_insert(&ivi->hidden.view_list, &view->layer_link);
 393                 /* force repaint of the entire output */
 394                 weston_output_damage(output->output);
 395         }
 396
 397         surf->desktop.pending_output = output;
 398 }