page-widget.c 39.7 KB
Newer Older
1 2 3 4
/* See LICENSE file for license and copyright information */

#include <girara/utils.h>
#include <girara/settings.h>
5
#include <girara/datastructures.h>
6 7 8
#include <girara/session.h>
#include <string.h>
#include <glib/gi18n.h>
9
#include <math.h>
10

Moritz Lipp's avatar
Moritz Lipp committed
11
#include "links.h"
12
#include "page-widget.h"
Moritz Lipp's avatar
Moritz Lipp committed
13
#include "page.h"
14 15 16
#include "render.h"
#include "utils.h"
#include "shortcuts.h"
17
#include "zathura.h"
18

19
G_DEFINE_TYPE(ZathuraPage, zathura_page_widget, GTK_TYPE_DRAWING_AREA)
20

21
typedef struct zathura_page_widget_private_s {
22 23
  zathura_page_t* page; /**< Page object */
  zathura_t* zathura; /**< Zathura object */
24
  cairo_surface_t* surface; /**< Cairo surface */
25
  cairo_surface_t* thumbnail; /**< Cairo surface */
26
  ZathuraRenderRequest* render_request; /* Request object */
27
  bool cached; /**< Cached state */
28 29 30

  struct {
    girara_list_t* list; /**< List of links on the page */
31 32
    gboolean retrieved; /**< True if we already tried to retrieve the list of links */
    gboolean draw; /**< True if links should be drawn */
33 34 35 36 37 38 39
    unsigned int offset; /**< Offset to the links */
    unsigned int n; /**< Number */
  } links;

  struct {
    girara_list_t* list; /**< A list if there are search results that should be drawn */
    int current; /**< The index of the current search result */
40
    gboolean draw; /**< Draw search results */
41 42 43 44
  } search;

  struct {
    girara_list_t* list; /**< List of images on the page */
45
    gboolean retrieved; /**< True if we already tried to retrieve the list of images */
46 47 48
    zathura_image_t* current; /**< Image data of selected image */
  } images;

49
  struct {
50 51 52 53 54
    zathura_rectangle_t selection; /**< Region selected with the mouse */
    struct {
      int x; /**< X coordinate */
      int y; /**< Y coordinate */
    } selection_basepoint;
55
    gboolean over_link;
56
  } mouse;
57
} zathura_page_widget_private_t;
58

59
#define ZATHURA_PAGE_GET_PRIVATE(obj) \
60 61
  (G_TYPE_INSTANCE_GET_PRIVATE((obj), ZATHURA_TYPE_PAGE, \
                               zathura_page_widget_private_t))
62

63
static gboolean zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo);
64
static void zathura_page_widget_finalize(GObject* object);
65
static void zathura_page_widget_dispose(GObject* object);
66 67 68 69 70
static void zathura_page_widget_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec);
static void zathura_page_widget_get_property(GObject* object, guint prop_id, GValue* value, GParamSpec* pspec);
static void zathura_page_widget_size_allocate(GtkWidget* widget, GdkRectangle* allocation);
static void redraw_rect(ZathuraPage* widget, zathura_rectangle_t* rectangle);
static void redraw_all_rects(ZathuraPage* widget, girara_list_t* rectangles);
Moritz Lipp's avatar
Moritz Lipp committed
71
static void zathura_page_widget_popup_menu(GtkWidget* widget, GdkEventButton* event);
72
static gboolean cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* button);
73 74
static gboolean cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* button);
static gboolean cb_zathura_page_widget_motion_notify(GtkWidget* widget, GdkEventMotion* event);
75
static gboolean cb_zathura_page_widget_leave_notify(GtkWidget* widget, GdkEventCrossing* event);
Moritz Lipp's avatar
Moritz Lipp committed
76 77
static gboolean cb_zathura_page_widget_popup_menu(GtkWidget* widget);
static void cb_menu_image_copy(GtkMenuItem* item, ZathuraPage* page);
Moritz Lipp's avatar
Moritz Lipp committed
78
static void cb_menu_image_save(GtkMenuItem* item, ZathuraPage* page);
79
static void cb_update_surface(ZathuraRenderRequest* request, cairo_surface_t* surface, void* data);
80 81
static void cb_cache_added(ZathuraRenderRequest* request, void* data);
static void cb_cache_invalidated(ZathuraRenderRequest* request, void* data);
82 83
static bool surface_small_enough(cairo_surface_t* surface, size_t max_size, cairo_surface_t* old);
static cairo_surface_t *draw_thumbnail_image(cairo_surface_t* surface, size_t max_size);
84

Moritz Lipp's avatar
Moritz Lipp committed
85
enum properties_e {
86
  PROP_0,
Moritz Lipp's avatar
Moritz Lipp committed
87
  PROP_PAGE,
88
  PROP_ZATHURA,
Moritz Lipp's avatar
Moritz Lipp committed
89
  PROP_DRAW_LINKS,
Moritz Lipp's avatar
Moritz Lipp committed
90 91
  PROP_LINKS_OFFSET,
  PROP_LINKS_NUMBER,
92 93
  PROP_SEARCH_RESULTS,
  PROP_SEARCH_RESULTS_LENGTH,
Moritz Lipp's avatar
Moritz Lipp committed
94
  PROP_SEARCH_RESULTS_CURRENT,
95
  PROP_DRAW_SEARCH_RESULTS,
96
  PROP_LAST_VIEW,
97 98
};

99 100 101
enum {
  TEXT_SELECTED,
  IMAGE_SELECTED,
102
  BUTTON_RELEASE,
103 104
  ENTER_LINK,
  LEAVE_LINK,
105 106 107 108 109
  LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

110
static void
111
zathura_page_widget_class_init(ZathuraPageClass* class)
112 113
{
  /* add private members */
114
  g_type_class_add_private(class, sizeof(zathura_page_widget_private_t));
115 116

  /* overwrite methods */
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
117
  GtkWidgetClass* widget_class       = GTK_WIDGET_CLASS(class);
118
  widget_class->draw                 = zathura_page_widget_draw;
119 120
  widget_class->size_allocate        = zathura_page_widget_size_allocate;
  widget_class->button_press_event   = cb_zathura_page_widget_button_press_event;
121
  widget_class->button_release_event = cb_zathura_page_widget_button_release_event;
122
  widget_class->motion_notify_event  = cb_zathura_page_widget_motion_notify;
123
  widget_class->leave_notify_event   = cb_zathura_page_widget_leave_notify;
Moritz Lipp's avatar
Moritz Lipp committed
124
  widget_class->popup_menu           = cb_zathura_page_widget_popup_menu;
125 126

  GObjectClass* object_class = G_OBJECT_CLASS(class);
127
  object_class->dispose      = zathura_page_widget_dispose;
128
  object_class->finalize     = zathura_page_widget_finalize;
129 130
  object_class->set_property = zathura_page_widget_set_property;
  object_class->get_property = zathura_page_widget_get_property;
131 132 133

  /* add properties */
  g_object_class_install_property(object_class, PROP_PAGE,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
134
                                  g_param_spec_pointer("page", "page", "the page to draw", G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
135
  g_object_class_install_property(object_class, PROP_ZATHURA,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
136
                                  g_param_spec_pointer("zathura", "zathura", "the zathura instance", G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
Moritz Lipp's avatar
Moritz Lipp committed
137
  g_object_class_install_property(object_class, PROP_DRAW_LINKS,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
138
                                  g_param_spec_boolean("draw-links", "draw-links", "Set to true if links should be drawn", FALSE, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
Moritz Lipp's avatar
Moritz Lipp committed
139
  g_object_class_install_property(object_class, PROP_LINKS_OFFSET,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
140
                                  g_param_spec_int("offset-links", "offset-links", "Offset for the link numbers", 0, INT_MAX, 0, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
Moritz Lipp's avatar
Moritz Lipp committed
141
  g_object_class_install_property(object_class, PROP_LINKS_NUMBER,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
142
                                  g_param_spec_int("number-of-links", "number-of-links", "Number of links", 0, INT_MAX, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
143
  g_object_class_install_property(object_class, PROP_SEARCH_RESULTS,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
144
                                  g_param_spec_pointer("search-results", "search-results", "Set to the list of search results", G_PARAM_WRITABLE | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
145
  g_object_class_install_property(object_class, PROP_SEARCH_RESULTS_CURRENT,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
146
                                  g_param_spec_int("search-current", "search-current", "The current search result", -1, INT_MAX, 0, G_PARAM_WRITABLE | G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
147
  g_object_class_install_property(object_class, PROP_SEARCH_RESULTS_LENGTH,
Sebastian Ramacher's avatar
Sebastian Ramacher committed
148
                                  g_param_spec_int("search-length", "search-length", "The number of search results", -1, INT_MAX, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
149 150
  g_object_class_install_property(object_class, PROP_DRAW_SEARCH_RESULTS,
                                  g_param_spec_boolean("draw-search-results", "draw-search-results", "Set to true if search results should be drawn", FALSE, G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173

  /* add signals */
  signals[TEXT_SELECTED] = g_signal_new("text-selected",
      ZATHURA_TYPE_PAGE,
      G_SIGNAL_RUN_LAST,
      0,
      NULL,
      NULL,
      g_cclosure_marshal_generic,
      G_TYPE_NONE,
      1,
      G_TYPE_STRING);

  signals[IMAGE_SELECTED] = g_signal_new("image-selected",
      ZATHURA_TYPE_PAGE,
      G_SIGNAL_RUN_LAST,
      0,
      NULL,
      NULL,
      g_cclosure_marshal_generic,
      G_TYPE_NONE,
      1,
      G_TYPE_OBJECT);
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193

  signals[ENTER_LINK] = g_signal_new("enter-link",
      ZATHURA_TYPE_PAGE,
      G_SIGNAL_RUN_LAST,
      0,
      NULL,
      NULL,
      g_cclosure_marshal_generic,
      G_TYPE_NONE,
      0);

  signals[LEAVE_LINK] = g_signal_new("leave-link",
      ZATHURA_TYPE_PAGE,
      G_SIGNAL_RUN_LAST,
      0,
      NULL,
      NULL,
      g_cclosure_marshal_generic,
      G_TYPE_NONE,
      0);
194 195 196 197 198 199 200 201 202 203 204

  signals[BUTTON_RELEASE] = g_signal_new("scaled-button-release",
      ZATHURA_TYPE_PAGE,
      G_SIGNAL_RUN_LAST,
      0,
      NULL,
      NULL,
      g_cclosure_marshal_generic,
      G_TYPE_NONE,
      1,
      G_TYPE_POINTER);
205 206 207
}

static void
208
zathura_page_widget_init(ZathuraPage* widget)
209
{
210
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
211 212 213 214 215
  priv->page                          = NULL;
  priv->surface                       = NULL;
  priv->thumbnail                     = NULL;
  priv->render_request                = NULL;
  priv->cached                        = false;
216 217 218 219 220 221 222 223 224

  priv->links.list      = NULL;
  priv->links.retrieved = false;
  priv->links.draw      = false;
  priv->links.offset    = 0;
  priv->links.n         = 0;

  priv->search.list    = NULL;
  priv->search.current = INT_MAX;
225
  priv->search.draw    = false;
226 227 228 229 230 231 232 233 234 235

  priv->images.list      = NULL;
  priv->images.retrieved = false;
  priv->images.current   = NULL;

  priv->mouse.selection.x1          = -1;
  priv->mouse.selection.y1          = -1;
  priv->mouse.selection_basepoint.x = -1;
  priv->mouse.selection_basepoint.y = -1;

236 237 238
  const unsigned int event_mask = GDK_BUTTON_PRESS_MASK |
    GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK;
  gtk_widget_add_events(GTK_WIDGET(widget), event_mask);
239 240 241
}

GtkWidget*
242
zathura_page_widget_new(zathura_t* zathura, zathura_page_t* page)
243 244 245
{
  g_return_val_if_fail(page != NULL, NULL);

246 247 248 249 250 251 252 253 254
  GObject* ret = g_object_new(ZATHURA_TYPE_PAGE, "page", page, "zathura", zathura, NULL);
  if (ret == NULL) {
    return NULL;
  }

  ZathuraPage* widget = ZATHURA_PAGE(ret);
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
  priv->render_request = zathura_render_request_new(zathura->sync.render_thread, page);
  g_signal_connect_object(priv->render_request, "completed",
255
      G_CALLBACK(cb_update_surface), widget, 0);
256 257 258 259
  g_signal_connect_object(priv->render_request, "cache-added",
      G_CALLBACK(cb_cache_added), widget, 0);
  g_signal_connect_object(priv->render_request, "cache-invalidated",
      G_CALLBACK(cb_cache_invalidated), widget, 0);
260 261

  return GTK_WIDGET(ret);
262 263
}

264 265 266 267 268 269 270 271 272 273 274
static void
zathura_page_widget_dispose(GObject* object)
{
  ZathuraPage* widget = ZATHURA_PAGE(object);
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);

  g_clear_object(&priv->render_request);

  G_OBJECT_CLASS(zathura_page_widget_parent_class)->dispose(object);
}

275
static void
276
zathura_page_widget_finalize(GObject* object)
277
{
278 279
  ZathuraPage* widget = ZATHURA_PAGE(object);
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
280

Sebastian Ramacher's avatar
Sebastian Ramacher committed
281
  if (priv->surface != NULL) {
282 283
    cairo_surface_destroy(priv->surface);
  }
284

285 286 287 288
  if (priv->thumbnail != NULL) {
    cairo_surface_destroy(priv->thumbnail);
  }

289 290
  if (priv->search.list != NULL) {
    girara_list_free(priv->search.list);
291 292
  }

293 294
  if (priv->links.list != NULL) {
    girara_list_free(priv->links.list);
295 296
  }

297
  G_OBJECT_CLASS(zathura_page_widget_parent_class)->finalize(object);
298 299 300
}

static void
301
zathura_page_widget_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec)
302
{
303 304
  ZathuraPage* pageview = ZATHURA_PAGE(object);
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(pageview);
305 306 307

  switch (prop_id) {
    case PROP_PAGE:
308 309 310 311
      priv->page = g_value_get_pointer(value);
      break;
    case PROP_ZATHURA:
      priv->zathura = g_value_get_pointer(value);
312
      break;
Moritz Lipp's avatar
Moritz Lipp committed
313
    case PROP_DRAW_LINKS:
314
      priv->links.draw = g_value_get_boolean(value);
Moritz Lipp's avatar
Moritz Lipp committed
315
      /* get links */
316
      if (priv->links.draw == TRUE && priv->links.retrieved == FALSE) {
317
        priv->links.list      = zathura_page_links_get(priv->page, NULL);
318
        priv->links.retrieved = TRUE;
319
        priv->links.n         = (priv->links.list == NULL) ? 0 : girara_list_size(priv->links.list);
Moritz Lipp's avatar
Moritz Lipp committed
320 321
      }

322
      if (priv->links.retrieved == TRUE && priv->links.list != NULL) {
323
        GIRARA_LIST_FOREACH(priv->links.list, zathura_link_t*, iter, link)
Moritz Lipp's avatar
Moritz Lipp committed
324 325 326 327
        if (link != NULL) {
          zathura_rectangle_t rectangle = recalc_rectangle(priv->page, zathura_link_get_position(link));
          redraw_rect(pageview, &rectangle);
        }
328
        GIRARA_LIST_FOREACH_END(priv->links.list, zathura_link_t*, iter, link);
Moritz Lipp's avatar
Moritz Lipp committed
329 330
      }
      break;
Moritz Lipp's avatar
Moritz Lipp committed
331
    case PROP_LINKS_OFFSET:
332
      priv->links.offset = g_value_get_int(value);
Moritz Lipp's avatar
Moritz Lipp committed
333
      break;
334
    case PROP_SEARCH_RESULTS:
335 336 337
      if (priv->search.list != NULL && priv->search.draw) {
        redraw_all_rects(pageview, priv->search.list);
        girara_list_free(priv->search.list);
338
      }
339 340
      priv->search.list = g_value_get_pointer(value);
      if (priv->search.list != NULL && priv->search.draw) {
341
        priv->links.draw = FALSE;
342
        redraw_all_rects(pageview, priv->search.list);
343
      }
344
      priv->search.current = -1;
Sebastian Ramacher's avatar
Sebastian Ramacher committed
345
      break;
346
    case PROP_SEARCH_RESULTS_CURRENT: {
347 348 349
      g_return_if_fail(priv->search.list != NULL);
      if (priv->search.current >= 0 && priv->search.current < (signed) girara_list_size(priv->search.list)) {
        zathura_rectangle_t* rect = girara_list_nth(priv->search.list, priv->search.current);
350 351 352 353
        zathura_rectangle_t rectangle = recalc_rectangle(priv->page, *rect);
        redraw_rect(pageview, &rectangle);
      }
      int val = g_value_get_int(value);
Sebastian Ramacher's avatar
Sebastian Ramacher committed
354
      if (val < 0) {
355
        priv->search.current = girara_list_size(priv->search.list);
356
      } else {
357
        priv->search.current = val;
358
        if (priv->search.draw == TRUE && val >= 0 && val < (signed) girara_list_size(priv->search.list)) {
359 360
          zathura_rectangle_t* rect = girara_list_nth(priv->search.list, priv->search.current);
          zathura_rectangle_t rectangle = recalc_rectangle(priv->page, *rect);
Moritz Lipp's avatar
Moritz Lipp committed
361 362
          redraw_rect(pageview, &rectangle);
        }
363 364 365
      }
      break;
    }
366
    case PROP_DRAW_SEARCH_RESULTS:
367
      priv->search.draw = g_value_get_boolean(value);
368 369 370 371 372 373 374 375 376

      /*
       * we do the following instead of only redrawing the rectangles of the
       * search results in order to avoid the rectangular margins that appear
       * around the search terms after their highlighted rectangular areas are
       * redrawn without highlighting.
       */

      if (priv->search.list != NULL && zathura_page_get_visibility(priv->page)) {
Sebastian Ramacher's avatar
Sebastian Ramacher committed
377
        gtk_widget_queue_draw(GTK_WIDGET(object));
378
      }
Moritz Lipp's avatar
Moritz Lipp committed
379
      break;
Moritz Lipp's avatar
Moritz Lipp committed
380 381 382 383 384 385
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
  }
}

static void
386
zathura_page_widget_get_property(GObject* object, guint prop_id, GValue* value, GParamSpec* pspec)
Moritz Lipp's avatar
Moritz Lipp committed
387
{
388 389
  ZathuraPage* pageview = ZATHURA_PAGE(object);
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(pageview);
Moritz Lipp's avatar
Moritz Lipp committed
390 391 392

  switch (prop_id) {
    case PROP_LINKS_NUMBER:
393
      g_value_set_int(value, priv->links.n);
394
      break;
395
    case PROP_SEARCH_RESULTS_LENGTH:
396
      g_value_set_int(value, priv->search.list == NULL ? 0 : girara_list_size(priv->search.list));
397 398
      break;
    case PROP_SEARCH_RESULTS_CURRENT:
399
      g_value_set_int(value, priv->search.list == NULL ? -1 : priv->search.current);
400
      break;
Sebastian Ramacher's avatar
Sebastian Ramacher committed
401
    case PROP_SEARCH_RESULTS:
402
      g_value_set_pointer(value, priv->search.list);
Sebastian Ramacher's avatar
Sebastian Ramacher committed
403
      break;
404 405 406
    case PROP_DRAW_SEARCH_RESULTS:
      g_value_set_boolean(value, priv->search.draw);
      break;
407 408 409 410 411
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
  }
}

412 413 414
static gboolean
zathura_page_widget_draw(GtkWidget* widget, cairo_t* cairo)
{
415
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
416

Sebastian Ramacher's avatar
Sebastian Ramacher committed
417
  zathura_document_t* document   = zathura_page_get_document(priv->page);
418 419 420
  const unsigned int page_height = gtk_widget_get_allocated_height(widget);
  const unsigned int page_width  = gtk_widget_get_allocated_width(widget);

421
  if (priv->surface != NULL || priv->thumbnail != NULL) {
422 423
    cairo_save(cairo);

Sebastian Ramacher's avatar
Sebastian Ramacher committed
424
    const unsigned int rotation = zathura_document_get_rotation(document);
425
    switch (rotation) {
426 427 428 429 430 431 432 433 434 435 436
      case 90:
        cairo_translate(cairo, page_width, 0);
        break;
      case 180:
        cairo_translate(cairo, page_width, page_height);
        break;
      case 270:
        cairo_translate(cairo, 0, page_height);
        break;
    }

437 438
    if (rotation != 0) {
      cairo_rotate(cairo, rotation * G_PI / 180.0);
439 440
    }

441 442 443 444 445 446 447
    if (priv->surface != NULL) {
      cairo_set_source_surface(cairo, priv->surface, 0, 0);
      cairo_paint(cairo);
      cairo_restore(cairo);
    } else {
      const unsigned int height = cairo_image_surface_get_height(priv->thumbnail);
      const unsigned int width = cairo_image_surface_get_width(priv->thumbnail);
448 449 450
      unsigned int pheight = (rotation % 180 ? page_width : page_height);
      unsigned int pwidth = (rotation % 180 ? page_height : page_width);

Jeremie Knuesel's avatar
Jeremie Knuesel committed
451
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1,14,0)
452 453 454
      double device_scale_x;
      double device_scale_y;
      cairo_surface_get_device_scale(priv->thumbnail, &device_scale_x, &device_scale_y);
455
      if (fabs(device_scale_x) >= DBL_EPSILON && fabs(device_scale_y) >= DBL_EPSILON) {
456 457 458 459
        pwidth *= device_scale_x;
        pheight *= device_scale_y;
      }
#endif
460 461 462 463 464 465 466 467 468 469 470

      cairo_scale(cairo, pwidth / (double)width, pheight / (double)height);
      cairo_set_source_surface(cairo, priv->thumbnail, 0, 0);
      cairo_pattern_set_extend(cairo_get_source(cairo), CAIRO_EXTEND_PAD);
      if (pwidth < width || pheight < height) {
        /* pixman bilinear downscaling is slow */
        cairo_pattern_set_filter(cairo_get_source(cairo), CAIRO_FILTER_FAST);
      }
      cairo_set_operator(cairo, CAIRO_OPERATOR_SOURCE);
      cairo_paint(cairo);
      cairo_restore(cairo);
471 472 473 474
      /* All but the last jobs requested here are aborted during zooming.
       * Processing and aborting smaller jobs first improves responsiveness. */
      const gint64 penalty = pwidth * pheight;
      zathura_render_request(priv->render_request, g_get_real_time() + penalty);
475 476
      return FALSE;
    }
477 478 479 480 481 482 483 484 485 486 487

    /* draw rectangles */
    char* font = NULL;
    girara_setting_get(priv->zathura->ui.session, "font", &font);

    float transparency = 0.5;
    girara_setting_get(priv->zathura->ui.session, "highlight-transparency", &transparency);

    if (font != NULL) {
      cairo_select_font_face(cairo, font, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
    }
488

489
    g_free(font);
490

Moritz Lipp's avatar
Moritz Lipp committed
491
    /* draw links */
492
    if (priv->links.draw == true && priv->links.n != 0) {
Moritz Lipp's avatar
Moritz Lipp committed
493
      unsigned int link_counter = 0;
494
      GIRARA_LIST_FOREACH(priv->links.list, zathura_link_t*, iter, link)
Moritz Lipp's avatar
Moritz Lipp committed
495 496
      if (link != NULL) {
        zathura_rectangle_t rectangle = recalc_rectangle(priv->page, zathura_link_get_position(link));
Moritz Lipp's avatar
Moritz Lipp committed
497

Moritz Lipp's avatar
Moritz Lipp committed
498
        /* draw position */
499 500
        const GdkRGBA color = priv->zathura->ui.colors.highlight_color;
        cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
Moritz Lipp's avatar
Moritz Lipp committed
501 502 503 504 505 506 507 508 509 510 511 512
        cairo_rectangle(cairo, rectangle.x1, rectangle.y1,
                        (rectangle.x2 - rectangle.x1), (rectangle.y2 - rectangle.y1));
        cairo_fill(cairo);

        /* draw text */
        cairo_set_source_rgba(cairo, 0, 0, 0, 1);
        cairo_set_font_size(cairo, 10);
        cairo_move_to(cairo, rectangle.x1 + 1, rectangle.y2 - 1);
        char* link_number = g_strdup_printf("%i", priv->links.offset + ++link_counter);
        cairo_show_text(cairo, link_number);
        g_free(link_number);
      }
513
      GIRARA_LIST_FOREACH_END(priv->links.list, zathura_link_t*, iter, link);
Moritz Lipp's avatar
Moritz Lipp committed
514
    }
515 516

    /* draw search results */
517
    if (priv->search.list != NULL && priv->search.draw == true) {
Moritz Lipp's avatar
Moritz Lipp committed
518
      int idx = 0;
519
      GIRARA_LIST_FOREACH(priv->search.list, zathura_rectangle_t*, iter, rect)
Moritz Lipp's avatar
Moritz Lipp committed
520
      zathura_rectangle_t rectangle = recalc_rectangle(priv->page, *rect);
521

Moritz Lipp's avatar
Moritz Lipp committed
522 523
      /* draw position */
      if (idx == priv->search.current) {
524 525
        const GdkRGBA color = priv->zathura->ui.colors.highlight_color_active;
        cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
Moritz Lipp's avatar
Moritz Lipp committed
526
      } else {
527 528
        const GdkRGBA color = priv->zathura->ui.colors.highlight_color;
        cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
Moritz Lipp's avatar
Moritz Lipp committed
529 530 531 532 533
      }
      cairo_rectangle(cairo, rectangle.x1, rectangle.y1,
                      (rectangle.x2 - rectangle.x1), (rectangle.y2 - rectangle.y1));
      cairo_fill(cairo);
      ++idx;
534
      GIRARA_LIST_FOREACH_END(priv->search.list, zathura_rectangle_t*, iter, rect);
535
    }
536
    /* draw selection */
537
    if (priv->mouse.selection.y2 != -1 && priv->mouse.selection.x2 != -1) {
538 539
      const GdkRGBA color = priv->zathura->ui.colors.highlight_color;
      cairo_set_source_rgba(cairo, color.red, color.green, color.blue, transparency);
540
      cairo_rectangle(cairo, priv->mouse.selection.x1, priv->mouse.selection.y1,
Moritz Lipp's avatar
Moritz Lipp committed
541
                      (priv->mouse.selection.x2 - priv->mouse.selection.x1), (priv->mouse.selection.y2 - priv->mouse.selection.y1));
Sebastian Ramacher's avatar
Sebastian Ramacher committed
542
      cairo_fill(cairo);
543
    }
544 545
  } else {
    /* set background color */
546
    if (zathura_renderer_recolor_enabled(priv->zathura->sync.render_thread) == true) {
547
      GdkRGBA color;
548
      zathura_renderer_get_recolor_colors(priv->zathura->sync.render_thread, &color, NULL);
549
      cairo_set_source_rgb(cairo, color.red, color.green, color.blue);
550
    } else {
551 552
      const GdkRGBA color = priv->zathura->ui.colors.render_loading_bg;
      cairo_set_source_rgb(cairo, color.red, color.green, color.blue);
553
    }
554
    cairo_rectangle(cairo, 0, 0, page_width, page_height);
555 556 557 558 559 560 561
    cairo_fill(cairo);

    bool render_loading = true;
    girara_setting_get(priv->zathura->ui.session, "render-loading", &render_loading);

    /* write text */
    if (render_loading == true) {
562
      if (zathura_renderer_recolor_enabled(priv->zathura->sync.render_thread) == true) {
563
        GdkRGBA color;
564
        zathura_renderer_get_recolor_colors(priv->zathura->sync.render_thread, NULL, &color);
565
        cairo_set_source_rgb(cairo, color.red, color.green, color.blue);
566
      } else {
567
        const GdkRGBA color = priv->zathura->ui.colors.render_loading_fg;
568
        cairo_set_source_rgb(cairo, color.red, color.green, color.blue);
569 570
      }

Sebastian Ramacher's avatar
Sebastian Ramacher committed
571
      const char* text = _("Loading...");
572 573 574 575
      cairo_select_font_face(cairo, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
      cairo_set_font_size(cairo, 16.0);
      cairo_text_extents_t extents;
      cairo_text_extents(cairo, text, &extents);
576 577
      double x = page_width * 0.5 - (extents.width * 0.5 + extents.x_bearing);
      double y = page_height * 0.5 - (extents.height * 0.5 + extents.y_bearing);
578 579 580 581 582
      cairo_move_to(cairo, x, y);
      cairo_show_text(cairo, text);
    }

    /* render real page */
583
    zathura_render_request(priv->render_request, g_get_real_time());
584 585 586 587 588
  }
  return FALSE;
}

static void
589
zathura_page_widget_redraw_canvas(ZathuraPage* pageview)
590 591 592 593 594
{
  GtkWidget* widget = GTK_WIDGET(pageview);
  gtk_widget_queue_draw(widget);
}

595
/* smaller than max to be replaced by actual renders */
596
#define THUMBNAIL_INITIAL_SCALE 0.5
597 598 599 600
/* small enough to make bilinear downscaling fast */
#define THUMBNAIL_MAX_SCALE 0.5

static bool
601
surface_small_enough(cairo_surface_t* surface, size_t max_size, cairo_surface_t* old)
602
{
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
603
  if (cairo_surface_get_type(surface) != CAIRO_SURFACE_TYPE_IMAGE) {
604
    return true;
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
605
  }
606 607 608

  const unsigned int width = cairo_image_surface_get_width(surface);
  const unsigned int height = cairo_image_surface_get_height(surface);
609
  const size_t new_size = width * height;
610
  if (new_size > max_size) {
611
    return false;
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
612
  }
613 614 615 616

  if (old != NULL) {
    const unsigned int width_old = cairo_image_surface_get_width(old);
    const unsigned int height_old = cairo_image_surface_get_height(old);
617 618
    const size_t old_size = width_old * height_old;
    if (new_size < old_size && new_size >= old_size * THUMBNAIL_MAX_SCALE * THUMBNAIL_MAX_SCALE) {
619
      return false;
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
620
    }
621 622 623 624 625 626
  }

  return true;
}

static cairo_surface_t *
627
draw_thumbnail_image(cairo_surface_t* surface, size_t max_size)
628 629 630
{
  unsigned int width = cairo_image_surface_get_width(surface);
  unsigned int height = cairo_image_surface_get_height(surface);
631
  double scale = sqrt((double)max_size / (width * height)) * THUMBNAIL_INITIAL_SCALE;
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
632
  if (scale > THUMBNAIL_MAX_SCALE) {
633
    scale = THUMBNAIL_MAX_SCALE;
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
634
  }
635 636 637 638 639
  width = width * scale;
  height = height * scale;

  cairo_surface_t *thumbnail;
  thumbnail = cairo_surface_create_similar(surface, CAIRO_CONTENT_COLOR, width, height);
Lingzhu Xiang's avatar
Lingzhu Xiang committed
640 641 642
  if (thumbnail == NULL) {
    return NULL;
  }
643
  cairo_t *cr = cairo_create(thumbnail);
Lingzhu Xiang's avatar
Lingzhu Xiang committed
644 645 646 647
  if (cr == NULL) {
    cairo_surface_destroy(thumbnail);
    return NULL;
  }
648 649 650 651 652 653 654 655 656 657 658

  cairo_scale(cr, scale, scale);
  cairo_set_source_surface(cr, surface, 0, 0);
  cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_BILINEAR);
  cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
  cairo_paint(cr);
  cairo_destroy(cr);

  return thumbnail;
}

659
void
660
zathura_page_widget_update_surface(ZathuraPage* widget, cairo_surface_t* surface, bool keep_thumbnail)
661
{
662
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
663 664 665 666 667
  int thumbnail_size = 0;
  girara_setting_get(priv->zathura->ui.session, "page-thumbnail-size", &thumbnail_size);
  if (thumbnail_size <= 0) {
    thumbnail_size = ZATHURA_PAGE_THUMBNAIL_DEFAULT_SIZE;
  }
668 669
  bool new_render = (priv->surface == NULL && priv->thumbnail == NULL);

Moritz Lipp's avatar
CS  
Moritz Lipp committed
670
  if (priv->surface != NULL) {
671
    cairo_surface_destroy(priv->surface);
672
    priv->surface = NULL;
673
  }
674
  if (surface != NULL) {
675 676
    priv->surface = surface;
    cairo_surface_reference(surface);
677

678
    if (surface_small_enough(surface, thumbnail_size, priv->thumbnail)) {
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
679
      if (priv->thumbnail != NULL) {
680
        cairo_surface_destroy(priv->thumbnail);
Sebastian Ramacher's avatar
CS  
Sebastian Ramacher committed
681
      }
682 683 684
      priv->thumbnail = surface;
      cairo_surface_reference(surface);
    } else if (new_render) {
685
      priv->thumbnail = draw_thumbnail_image(surface, thumbnail_size);
686 687 688 689
    }
  } else if (!keep_thumbnail && priv->thumbnail != NULL) {
    cairo_surface_destroy(priv->thumbnail);
    priv->thumbnail = NULL;
690
  }
691
  /* force a redraw here */
692 693 694
  if (priv->surface != NULL) {
    zathura_page_widget_redraw_canvas(widget);
  }
695 696
}

697
static void
698 699
cb_update_surface(ZathuraRenderRequest* UNUSED(request),
    cairo_surface_t* surface, void* data)
700 701 702
{
  ZathuraPage* widget = data;
  g_return_if_fail(ZATHURA_IS_PAGE(widget));
703
  zathura_page_widget_update_surface(widget, surface, false);
704 705
}

706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
static void
cb_cache_added(ZathuraRenderRequest* UNUSED(request), void* data)
{
  ZathuraPage* widget = data;
  g_return_if_fail(ZATHURA_IS_PAGE(widget));

  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
  priv->cached = true;
}

static void
cb_cache_invalidated(ZathuraRenderRequest* UNUSED(request), void* data)
{
  ZathuraPage* widget = data;
  g_return_if_fail(ZATHURA_IS_PAGE(widget));

  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
  if (zathura_page_widget_have_surface(widget) == true &&
      priv->cached == true &&
      zathura_page_get_visibility(priv->page) == false) {
    /* The page was in the cache but got removed and is invisible, so get rid of
     * the surface. */
728
    zathura_page_widget_update_surface(widget, NULL, false);
729 730 731 732
  }
  priv->cached = false;
}

733
static void
734
zathura_page_widget_size_allocate(GtkWidget* widget, GdkRectangle* allocation)
735
{
736
  GTK_WIDGET_CLASS(zathura_page_widget_parent_class)->size_allocate(widget, allocation);
737 738 739

  ZathuraPage* page = ZATHURA_PAGE(widget);
  zathura_page_widget_abort_render_request(page);
740
  zathura_page_widget_update_surface(page, NULL, true);
741
}
742 743

static void
744
redraw_rect(ZathuraPage* widget, zathura_rectangle_t* rectangle)
745
{
Moritz Lipp's avatar
Moritz Lipp committed
746
  /* cause the rect to be drawn */
747
  GdkRectangle grect;
Moritz Lipp's avatar
Moritz Lipp committed
748
  grect.x = rectangle->x1;
749
  grect.y = rectangle->y1;
750 751
  grect.width  = (rectangle->x2 + 1) - rectangle->x1;
  grect.height = (rectangle->y2 + 1) - rectangle->y1;
752
  gtk_widget_queue_draw_area(GTK_WIDGET(widget), grect.x, grect.y, grect.width, grect.height);
753 754
}

755
static void
756
redraw_all_rects(ZathuraPage* widget, girara_list_t* rectangles)
757
{
758
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
759 760

  GIRARA_LIST_FOREACH(rectangles, zathura_rectangle_t*, iter, rect)
761 762
    zathura_rectangle_t rectangle = recalc_rectangle(priv->page, *rect);
    redraw_rect(widget, &rectangle);
763 764 765
  GIRARA_LIST_FOREACH_END(rectangles, zathura_recantgle_t*, iter, rect);
}

Moritz Lipp's avatar
Moritz Lipp committed
766
zathura_link_t*
767
zathura_page_widget_link_get(ZathuraPage* widget, unsigned int index)
768
{
Moritz Lipp's avatar
Moritz Lipp committed
769
  g_return_val_if_fail(widget != NULL, NULL);
770
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
Moritz Lipp's avatar
Moritz Lipp committed
771
  g_return_val_if_fail(priv != NULL, NULL);
772

773 774 775
  if (priv->links.list != NULL && index >= priv->links.offset &&
      girara_list_size(priv->links.list) > index - priv->links.offset) {
    return girara_list_nth(priv->links.list, index - priv->links.offset);
Moritz Lipp's avatar
Moritz Lipp committed
776 777 778
  } else {
    return NULL;
  }
779
}
Moritz Lipp's avatar
Moritz Lipp committed
780

781 782
static gboolean
cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* button)
Moritz Lipp's avatar
Moritz Lipp committed
783 784 785 786 787 788
{
  g_return_val_if_fail(widget != NULL, false);
  g_return_val_if_fail(button != NULL, false);

  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);

789 790 791 792
  if (girara_callback_view_button_press_event(widget, button, priv->zathura->ui.session) == true) {
    return true;
  }

793
  if (button->button == GDK_BUTTON_PRIMARY) { /* left click */
Moritz Lipp's avatar
Moritz Lipp committed
794 795
    if (button->type == GDK_BUTTON_PRESS) {
      /* start the selection */
796 797 798 799 800 801 802
      priv->mouse.selection_basepoint.x = button->x;
      priv->mouse.selection_basepoint.y = button->y;

      priv->mouse.selection.x1 = button->x;
      priv->mouse.selection.y1 = button->y;
      priv->mouse.selection.x2 = button->x;
      priv->mouse.selection.y2 = button->y;
Moritz Lipp's avatar
Moritz Lipp committed
803 804
    } else if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
      /* abort the selection */
805 806 807 808 809 810 811
      priv->mouse.selection_basepoint.x = -1;
      priv->mouse.selection_basepoint.y = -1;

      priv->mouse.selection.x1 = -1;
      priv->mouse.selection.y1 = -1;
      priv->mouse.selection.x2 = -1;
      priv->mouse.selection.y2 = -1;
Moritz Lipp's avatar
Moritz Lipp committed
812 813 814
    }

    return true;
815
  } else if (gdk_event_triggers_context_menu((GdkEvent*) button) == TRUE && button->type == GDK_BUTTON_PRESS) { /* right click */
Moritz Lipp's avatar
Moritz Lipp committed
816 817
    zathura_page_widget_popup_menu(widget, button);
    return true;
818
  }
Moritz Lipp's avatar
Moritz Lipp committed
819

820 821 822 823 824 825 826 827
  return false;
}

static gboolean
cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* button)
{
  g_return_val_if_fail(widget != NULL, false);
  g_return_val_if_fail(button != NULL, false);
828 829

  if (button->type != GDK_BUTTON_RELEASE) {
830 831 832
    return false;
  }

833 834 835
  const int oldx = button->x;
  const int oldy = button->y;

Sebastian Ramacher's avatar
Sebastian Ramacher committed
836
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
Moritz Lipp's avatar
Moritz Lipp committed
837
  zathura_document_t* document        = zathura_page_get_document(priv->page);
Sebastian Ramacher's avatar
Sebastian Ramacher committed
838

839 840 841 842 843 844 845 846 847 848
  const double scale = zathura_document_get_scale(document);

  button->x /= scale;
  button->y /= scale;

  g_signal_emit(ZATHURA_PAGE(widget), signals[BUTTON_RELEASE], 0, button);

  button->x = oldx;
  button->y = oldy;

849
  if (button->button != GDK_BUTTON_PRIMARY) {
850 851 852
    return false;
  }

853
  if (priv->mouse.selection.y2 == -1 && priv->mouse.selection.x2 == -1 ) {
854
    /* simple single click */
Moritz Lipp's avatar
Moritz Lipp committed
855
    /* get links */
856 857 858 859
    if (priv->links.retrieved == false) {
      priv->links.list      = zathura_page_links_get(priv->page, NULL);
      priv->links.retrieved = true;
      priv->links.n         = (priv->links.list == NULL) ? 0 : girara_list_size(priv->links.list);
Moritz Lipp's avatar
Moritz Lipp committed
860 861
    }

862 863
    if (priv->links.list != NULL && priv->links.n > 0) {
      GIRARA_LIST_FOREACH(priv->links.list, zathura_link_t*, iter, link)
Moritz Lipp's avatar
Moritz Lipp committed
864 865 866 867 868
      zathura_rectangle_t rect = recalc_rectangle(priv->page, zathura_link_get_position(link));
      if (rect.x1 <= button->x && rect.x2 >= button->x
          && rect.y1 <= button->y && rect.y2 >= button->y) {
        zathura_link_evaluate(priv->zathura, link);
      }
869
      GIRARA_LIST_FOREACH_END(priv->links.list, zathura_link_t*, iter, link);
Moritz Lipp's avatar
Moritz Lipp committed
870
    }
871
  } else {
872
    redraw_rect(ZATHURA_PAGE(widget), &priv->mouse.selection);
Moritz Lipp's avatar
Moritz Lipp committed
873

874
    zathura_rectangle_t tmp = priv->mouse.selection;
Moritz Lipp's avatar
Moritz Lipp committed
875

Sebastian Ramacher's avatar
Sebastian Ramacher committed
876
    const double scale = zathura_document_get_scale(document);
877 878 879 880
    tmp.x1 /= scale;
    tmp.x2 /= scale;
    tmp.y1 /= scale;
    tmp.y2 /= scale;
881

882
    char* text = zathura_page_get_text(priv->page, tmp, NULL);
Sebastian Ramacher's avatar
Sebastian Ramacher committed
883 884 885
    if (text != NULL && *text != '\0') {
      /* emit text-selected signal */
      g_signal_emit(ZATHURA_PAGE(widget), signals[TEXT_SELECTED], 0, text);
886
    }
Sebastian Ramacher's avatar
Sebastian Ramacher committed
887
    g_free(text);
888
  }
Moritz Lipp's avatar
Moritz Lipp committed
889

890 891 892 893 894 895 896
  priv->mouse.selection_basepoint.x = -1;
  priv->mouse.selection_basepoint.y = -1;

  priv->mouse.selection.x1 = -1;
  priv->mouse.selection.y1 = -1;
  priv->mouse.selection.x2 = -1;
  priv->mouse.selection.y2 = -1;
897

898 899 900 901 902 903 904 905
  return false;
}

static gboolean
cb_zathura_page_widget_motion_notify(GtkWidget* widget, GdkEventMotion* event)
{
  g_return_val_if_fail(widget != NULL, false);
  g_return_val_if_fail(event != NULL, false);
906

907
  if ((event->state & GDK_BUTTON1_MASK) == 0) {
908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933
    zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
    if (priv->links.retrieved == false) {
      priv->links.list      = zathura_page_links_get(priv->page, NULL);
      priv->links.retrieved = true;
      priv->links.n         = (priv->links.list == NULL) ? 0 : girara_list_size(priv->links.list);
    }

    if (priv->links.list != NULL && priv->links.n > 0) {
      bool over_link = false;
      GIRARA_LIST_FOREACH(priv->links.list, zathura_link_t*, iter, link)
        zathura_rectangle_t rect = recalc_rectangle(priv->page, zathura_link_get_position(link));
        if (rect.x1 <= event->x && rect.x2 >= event->x && rect.y1 <= event->y && rect.y2 >= event->y) {
          over_link = true;
        }
      GIRARA_LIST_FOREACH_END(priv->links.list, zathura_link_t*, iter, link);

      if (priv->mouse.over_link != over_link) {
        if (over_link == true) {
          g_signal_emit(ZATHURA_PAGE(widget), signals[ENTER_LINK], 0);
        } else {
          g_signal_emit(ZATHURA_PAGE(widget), signals[LEAVE_LINK], 0);
        }
        priv->mouse.over_link = over_link;
      }
    }

934 935 936 937
    return false;
  }

  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
938 939
  zathura_rectangle_t tmp = priv->mouse.selection;
  if (event->x < priv->mouse.selection_basepoint.x) {
940
    tmp.x1 = event->x;
941
    tmp.x2 = priv->mouse.selection_basepoint.x;
942 943
  } else {
    tmp.x2 = event->x;
944
    tmp.x1 = priv->mouse.selection_basepoint.x;
945
  }
946
  if (event->y < priv->mouse.selection_basepoint.y) {
947
    tmp.y1 = event->y;
948
    tmp.y2 = priv->mouse.selection_basepoint.y;
949
  } else {
950
    tmp.y1 = priv->mouse.selection_basepoint.y;
951
    tmp.y2 = event->y;
Moritz Lipp's avatar
Moritz Lipp committed
952 953
  }

954
  redraw_rect(ZATHURA_PAGE(widget), &priv->mouse.selection);
955
  redraw_rect(ZATHURA_PAGE(widget), &tmp);
956
  priv->mouse.selection = tmp;
957

Moritz Lipp's avatar
Moritz Lipp committed
958 959
  return false;
}
Moritz Lipp's avatar
Moritz Lipp committed
960

961 962 963 964 965 966 967 968 969 970 971 972 973
static gboolean
cb_zathura_page_widget_leave_notify(GtkWidget* widget, GdkEventCrossing* UNUSED(event))
{
  g_return_val_if_fail(widget != NULL, false);

  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
  if (priv->mouse.over_link == true) {
    g_signal_emit(ZATHURA_PAGE(widget), signals[LEAVE_LINK], 0);
    priv->mouse.over_link = false;
  }
  return false;
}

Moritz Lipp's avatar
Moritz Lipp committed
974 975 976 977
static void
zathura_page_widget_popup_menu(GtkWidget* widget, GdkEventButton* event)
{
  g_return_if_fail(widget != NULL);
978 979 980 981 982
  if (event == NULL) {
    /* do something here in the future in case we have general popups */
    return;
  }

Moritz Lipp's avatar
Moritz Lipp committed
983 984
  zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);

985 986 987
  if (priv->images.retrieved == false) {
    priv->images.list      = zathura_page_images_get(priv->page, NULL);
    priv->images.retrieved = true;
Moritz Lipp's avatar
Moritz Lipp committed
988 989
  }

990
  if (priv->images.list == NULL) {
Moritz Lipp's avatar
Moritz Lipp committed
991 992 993 994 995
    return;
  }

  /* search for underlaying image */
  zathura_image_t* image = NULL;
996
  GIRARA_LIST_FOREACH(priv->images.list, zathura_image_t*, iter, image_it)