X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=libview%2Fev-view.c;h=8a5ac5f85ebf21e5f428f33f84e205143a141475;hb=1600e0323e398d2e235121e9e25df70853095e4c;hp=09bc4feb5e28aefbc3170e89e6b972c288cf4839;hpb=8134adb7fa71603dbdeef8d7b062cae155e476d8;p=evince.git diff --git a/libview/ev-view.c b/libview/ev-view.c index 09bc4feb..8a5ac5f8 100644 --- a/libview/ev-view.c +++ b/libview/ev-view.c @@ -480,6 +480,37 @@ ev_view_get_height_to_page (EvView *view, *dual_height = (gint)(dh * view->scale + 0.5); } +static gint +ev_view_get_scrollbar_size (EvView *view, + GtkOrientation orientation) +{ + GtkWidget *widget = GTK_WIDGET (view); + GtkWidget *sb; + GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view)); + GtkRequisition req; + gint spacing; + + if (!GTK_IS_SCROLLED_WINDOW (swindow)) + return 0; + + if (orientation == GTK_ORIENTATION_VERTICAL) { + if (widget->allocation.height >= widget->requisition.height) + sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow)); + else + return 0; + } else { + if (widget->allocation.width >= widget->requisition.width) + sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow)); + else + return 0; + } + + gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL); + gtk_widget_size_request (sb, &req); + + return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing; +} + static void scroll_to_point (EvView *view, gdouble x, @@ -609,8 +640,6 @@ view_set_adjustment_values (EvView *view, static void view_update_range_and_current_page (EvView *view) { - gint current_page; - gint best_current_page = -1; gint start = view->start_page; gint end = view->end_page; @@ -623,13 +652,14 @@ view_update_range_and_current_page (EvView *view) GtkBorder border; gboolean found = FALSE; gint area_max = -1, area; - int i; + gint best_current_page = -1; + int i, j = 0; if (!(view->vadjustment && view->hadjustment)) return; current_area.x = view->hadjustment->value; - current_area.width = view->hadjustment->upper; + current_area.width = view->hadjustment->page_size; current_area.y = view->vadjustment->value; current_area.height = view->vadjustment->page_size; @@ -652,17 +682,33 @@ view_update_range_and_current_page (EvView *view) } view->end_page = i; + j = 0; } else if (found && view->current_page <= view->end_page) { + if (view->dual_page && j < 1) { + /* In dual mode we stop searching + * after two consecutive non-visible pages. + */ + j++; + continue; + } break; } } + if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) { + best_current_page = MAX (best_current_page, view->start_page); + + if (view->current_page != best_current_page) { + view->current_page = best_current_page; + ev_document_model_set_page (view->model, best_current_page); + } + } } else if (view->dual_page) { if (view->current_page % 2 == get_dual_even_left (view)) { view->start_page = view->current_page; if (view->current_page + 1 < ev_document_get_n_pages (view->document)) view->end_page = view->start_page + 1; - else + else view->end_page = view->start_page; } else { if (view->current_page < 1) @@ -676,14 +722,6 @@ view_update_range_and_current_page (EvView *view) view->end_page = view->current_page; } - best_current_page = MAX (best_current_page, view->start_page); - current_page = ev_document_model_get_page (view->model); - - if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) { - view->current_page = best_current_page; - ev_document_model_set_page (view->model, best_current_page); - } - if (start != view->start_page || end != view->end_page) { gint i; @@ -702,6 +740,9 @@ view_update_range_and_current_page (EvView *view) view->rotation, view->scale, view->selection_info.selections); + + if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page)) + gtk_widget_queue_draw (GTK_WIDGET (view)); } static void @@ -767,6 +808,79 @@ add_scroll_binding_keypad (GtkBindingSet *binding_set, G_TYPE_BOOLEAN, horizontal); } +static gdouble +compute_scroll_increment (EvView *view, + GtkScrollType scroll) +{ + GtkWidget *widget = GTK_WIDGET (view); + GtkAdjustment *adjustment = view->vadjustment; + GdkRegion *text_region, *region; + gint page; + GdkRectangle rect; + EvRectangle doc_rect; + GdkRectangle page_area; + GtkBorder border; + GdkRectangle *recs; + gint n_recs; + gdouble fraction = 1.0; + + if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD) + return adjustment->page_size; + + page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page; + + text_region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page); + if (!text_region || gdk_region_empty (text_region)) + return adjustment->page_size; + + get_page_extents (view, page, &page_area, &border); + rect.x = page_area.x + view->scroll_x; + rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5); + rect.width = page_area.width; + rect.height = 1; + view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect); + + /* Convert the doc rectangle into a GdkRectangle */ + rect.x = doc_rect.x1; + rect.y = doc_rect.y1; + rect.width = doc_rect.x2 - doc_rect.x1; + rect.height = MAX (1, doc_rect.y2 - doc_rect.y1); + region = gdk_region_rectangle (&rect); + + gdk_region_intersect (region, text_region); + gdk_region_get_rectangles (region, &recs, &n_recs); + gdk_region_destroy (region); + if (n_recs > 0) { + EvRenderContext *rc; + EvPage *ev_page; + + ev_page = ev_document_get_page (view->document, page); + rc = ev_render_context_new (ev_page, view->rotation, view->scale); + g_object_unref (ev_page); + /* Get the selection region to know the height of the line */ + doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5; + doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5; + + ev_document_doc_mutex_lock (); + region = ev_selection_get_selection_region (EV_SELECTION (view->document), + rc, EV_SELECTION_STYLE_LINE, + &doc_rect); + ev_document_doc_mutex_unlock (); + + g_object_unref (rc); + g_free (recs); + gdk_region_get_rectangles (region, &recs, &n_recs); + gdk_region_destroy (region); + if (n_recs > 0) { + fraction = 1 - (recs[0].height / adjustment->page_size); + } + g_free (recs); + } + + return adjustment->page_size * fraction; + +} + void ev_view_scroll (EvView *view, GtkScrollType scroll, @@ -797,7 +911,6 @@ ev_view_scroll (EvView *view, /* Assign values for increment and vertical adjustment */ adjustment = horizontal ? view->hadjustment : view->vadjustment; - increment = adjustment->page_size * 0.75; value = adjustment->value; /* Assign boolean for first and last page */ @@ -817,6 +930,7 @@ ev_view_scroll (EvView *view, ev_view_previous_page (view); /* Jump to the top */ } else { + increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD); value = MAX (value - increment, adjustment->lower); } break; @@ -830,6 +944,7 @@ ev_view_scroll (EvView *view, ev_view_next_page (view); /* Jump to the bottom */ } else { + increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD); value = MIN (value + increment, adjustment->upper - adjustment->page_size); } break; @@ -2625,7 +2740,8 @@ static void ev_view_handle_annotation (EvView *view, EvAnnotation *annot, gdouble x, - gdouble y) + gdouble y, + guint32 timestamp) { if (EV_IS_ANNOTATION_MARKUP (annot)) { GtkWidget *window; @@ -2642,6 +2758,24 @@ ev_view_handle_annotation (EvView *view, } } } + + if (EV_IS_ANNOTATION_ATTACHMENT (annot)) { + EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment; + + if (attachment) { + GError *error = NULL; + + ev_attachment_open (attachment, + gtk_widget_get_screen (GTK_WIDGET (view)), + timestamp, + &error); + + if (error) { + g_warning ("%s", error->message); + g_error_free (error); + } + } + } } /*** GtkWidget implementation ***/ @@ -2650,25 +2784,28 @@ static void ev_view_size_request_continuous_dual_page (EvView *view, GtkRequisition *requisition) { - int max_width; gint n_pages; - GtkBorder border; - - ev_view_get_max_page_size (view, &max_width, NULL); - compute_border (view, max_width, max_width, &border); n_pages = ev_document_get_n_pages (view->document) + 1; - - requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); get_page_y_offset (view, n_pages, &requisition->height); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - /* FIXME: This could actually be set on one page docs or docs - * with a strange aspect ratio. */ - /* requisition->height = 1;*/ + switch (view->sizing_mode) { + case EV_SIZING_FIT_WIDTH: + case EV_SIZING_BEST_FIT: + requisition->width = 1; + + break; + case EV_SIZING_FREE: { + gint max_width; + GtkBorder border; + + ev_view_get_max_page_size (view, &max_width, NULL); + compute_border (view, max_width, max_width, &border); + requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); + } + break; + default: + g_assert_not_reached (); } } @@ -2676,24 +2813,28 @@ static void ev_view_size_request_continuous (EvView *view, GtkRequisition *requisition) { - int max_width; - int n_pages; - GtkBorder border; + gint n_pages; - ev_view_get_max_page_size (view, &max_width, NULL); n_pages = ev_document_get_n_pages (view->document); - compute_border (view, max_width, max_width, &border); - - requisition->width = max_width + (view->spacing * 2) + border.left + border.right; get_page_y_offset (view, n_pages, &requisition->height); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - /* FIXME: This could actually be set on one page docs or docs - * with a strange aspect ratio. */ - /* requisition->height = 1;*/ + switch (view->sizing_mode) { + case EV_SIZING_FIT_WIDTH: + case EV_SIZING_BEST_FIT: + requisition->width = 1; + + break; + case EV_SIZING_FREE: { + gint max_width; + GtkBorder border; + + ev_view_get_max_page_size (view, &max_width, NULL); + compute_border (view, max_width, max_width, &border); + requisition->width = max_width + (view->spacing * 2) + border.left + border.right; + } + break; + default: + g_assert_not_reached (); } } @@ -2704,6 +2845,13 @@ ev_view_size_request_dual_page (EvView *view, GtkBorder border; gint width, height; + if (view->sizing_mode == EV_SIZING_BEST_FIT) { + requisition->width = 1; + requisition->height = 1; + + return; + } + /* Find the largest of the two. */ ev_view_get_page_size (view, view->current_page, @@ -2720,17 +2868,9 @@ ev_view_size_request_dual_page (EvView *view, } compute_border (view, width, height, &border); - requisition->width = ((width + border.left + border.right) * 2) + - (view->spacing * 3); - requisition->height = (height + border.top + border.bottom) + - (view->spacing * 2); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - requisition->height = 1; - } + requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 : + ((width + border.left + border.right) * 2) + (view->spacing * 3); + requisition->height = (height + border.top + border.bottom) + (view->spacing * 2); } static void @@ -2740,19 +2880,19 @@ ev_view_size_request_single_page (EvView *view, GtkBorder border; gint width, height; + if (view->sizing_mode == EV_SIZING_BEST_FIT) { + requisition->width = 1; + requisition->height = 1; + + return; + } + ev_view_get_page_size (view, view->current_page, &width, &height); compute_border (view, width, height, &border); - requisition->width = width + border.left + border.right + (2 * view->spacing); + requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 : + width + border.left + border.right + (2 * view->spacing); requisition->height = height + border.top + border.bottom + (2 * view->spacing); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - requisition->height = height + border.top + border.bottom + (2 * view->spacing); - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - requisition->height = 1; - } } static void @@ -2913,8 +3053,7 @@ ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) state = event->state & gtk_accelerator_get_default_mod_mask (); if (state == GDK_CONTROL_MASK && view->presentation == FALSE) { - ev_view_set_sizing_mode (view, EV_SIZING_FREE); - + ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE); if (event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_LEFT) { if (ev_view_can_zoom_in (view)) { @@ -3114,8 +3253,9 @@ ev_view_do_popup_menu (EvView *view, gdouble x, gdouble y) { - EvLink *link; - EvImage *image; + EvLink *link; + EvImage *image; + EvAnnotation *annot; image = ev_view_get_image_at_location (view, x, y); if (image) { @@ -3129,6 +3269,12 @@ ev_view_do_popup_menu (EvView *view, return TRUE; } + annot = ev_view_get_annotation_at_location (view, x, y); + if (annot) { + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot); + return TRUE; + } + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL); return TRUE; @@ -3304,7 +3450,7 @@ ev_view_button_press_event (GtkWidget *widget, gtk_widget_queue_draw (widget); } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) { - ev_view_handle_annotation (view, annot, event->x, event->y); + ev_view_handle_annotation (view, annot, event->x, event->y, event->time); } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) { ev_view_remove_all (view); ev_view_handle_form_field (view, field, event->x, event->y); @@ -4957,8 +5103,12 @@ ev_view_new (void) static void setup_caches (EvView *view) { + gboolean inverted_colors; + view->height_to_page_cache = ev_view_get_height_to_page_cache (view); view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document); + inverted_colors = ev_document_model_get_inverted_colors (view->model); + ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors); g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); } @@ -5062,6 +5212,8 @@ ev_view_document_changed_cb (EvDocumentModel *model, view->loading = FALSE; if (document != view->document) { + gint current_page; + clear_caches (view); if (view->document) { @@ -5076,9 +5228,13 @@ ev_view_document_changed_cb (EvDocumentModel *model, setup_caches (view); } - ev_view_change_page (view, - ev_document_model_get_page (model), - TRUE); + current_page = ev_document_model_get_page (model); + if (view->current_page != current_page) { + ev_view_change_page (view, current_page, TRUE); + } else { + view->pending_scroll = SCROLL_TO_KEEP_POSITION; + gtk_widget_queue_resize (GTK_WIDGET (view)); + } } } @@ -5093,13 +5249,31 @@ ev_view_rotation_changed_cb (EvDocumentModel *model, if (view->pixbuf_cache) { ev_pixbuf_cache_clear (view->pixbuf_cache); + if (!ev_document_is_page_size_uniform (view->document)) + view->pending_scroll = SCROLL_TO_PAGE_POSITION; gtk_widget_queue_resize (GTK_WIDGET (view)); } + ev_view_remove_all (view); + if (rotation != 0) clear_selection (view); } +static void +ev_view_inverted_colors_changed_cb (EvDocumentModel *model, + GParamSpec *pspec, + EvView *view) +{ + if (view->pixbuf_cache) { + gboolean inverted_colors; + + inverted_colors = ev_document_model_get_inverted_colors (model); + ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors); + gtk_widget_queue_draw (GTK_WIDGET (view)); + } +} + static void ev_view_sizing_mode_changed_cb (EvDocumentModel *model, GParamSpec *pspec, @@ -5132,7 +5306,8 @@ ev_view_scale_changed_cb (EvDocumentModel *model, ev_view_set_zoom (view, scale); view->pending_resize = TRUE; - gtk_widget_queue_resize (GTK_WIDGET (view)); + if (view->sizing_mode == EV_SIZING_FREE) + gtk_widget_queue_resize (GTK_WIDGET (view)); } static void @@ -5199,6 +5374,9 @@ ev_view_set_model (EvView *view, g_signal_connect (view->model, "notify::rotation", G_CALLBACK (ev_view_rotation_changed_cb), view); + g_signal_connect (view->model, "notify::inverted-colors", + G_CALLBACK (ev_view_inverted_colors_changed_cb), + view); g_signal_connect (view->model, "notify::sizing-mode", G_CALLBACK (ev_view_sizing_mode_changed_cb), view); @@ -5332,7 +5510,7 @@ ev_view_set_presentation (EvView *view, if (presentation) { view->sizing_mode_saved = view->sizing_mode; view->scale_saved = view->scale; - ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); + ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT); } else { ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved); ev_document_model_set_scale (view->model, view->scale_saved); @@ -5486,14 +5664,7 @@ zoom_for_size_fit_width (gdouble doc_width, int target_width, int target_height) { - double scale; - - scale = (double)target_width / doc_width; - - if (doc_height * scale > target_height) - scale = (double)target_width / doc_width; - - return scale; + return (double)target_width / doc_width; } static double @@ -5502,14 +5673,7 @@ zoom_for_size_fit_height (gdouble doc_width, int target_width, int target_height) { - double scale; - - scale = (double)target_height / doc_height; - - if (doc_width * scale > target_width) - scale = (double)target_height / doc_height; - - return scale; + return (double)target_height / doc_height; } static double @@ -5524,11 +5688,6 @@ zoom_for_size_best_fit (gdouble doc_width, w_scale = (double)target_width / doc_width; h_scale = (double)target_height / doc_height; - if (doc_height * w_scale > target_height) - w_scale = (double)target_width / doc_width; - if (doc_width * h_scale > target_width) - h_scale = (double)target_height / doc_height; - return MIN (w_scale, h_scale); } @@ -5570,9 +5729,12 @@ ev_view_zoom_for_size_continuous_and_dual_page (EvView *view, width -= (2 * (border.left + border.right) + 3 * view->spacing); height -= (border.top + border.bottom + 2 * view->spacing - 1); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) + if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { + gint sb_size; + + sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL); + scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height); + } else if (view->sizing_mode == EV_SIZING_BEST_FIT) scale = zoom_for_size_best_fit (doc_width, doc_height, width, height); else g_assert_not_reached (); @@ -5603,9 +5765,12 @@ ev_view_zoom_for_size_continuous (EvView *view, width -= (border.left + border.right + 2 * view->spacing); height -= (border.top + border.bottom + 2 * view->spacing - 1); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) + if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { + gint sb_size; + + sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL); + scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height); + } else if (view->sizing_mode == EV_SIZING_BEST_FIT) scale = zoom_for_size_best_fit (doc_width, doc_height, width, height); else g_assert_not_reached (); @@ -5642,9 +5807,12 @@ ev_view_zoom_for_size_dual_page (EvView *view, width -= ((border.left + border.right)* 2 + 3 * view->spacing); height -= (border.top + border.bottom + 2 * view->spacing); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) + if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { + gint sb_size; + + sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL); + scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height); + } else if (view->sizing_mode == EV_SIZING_BEST_FIT) scale = zoom_for_size_best_fit (doc_width, doc_height, width, height); else g_assert_not_reached (); @@ -5669,9 +5837,12 @@ ev_view_zoom_for_size_single_page (EvView *view, width -= (border.left + border.right + 2 * view->spacing); height -= (border.top + border.bottom + 2 * view->spacing); - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) + if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { + gint sb_size; + + sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL); + scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height); + } else if (view->sizing_mode == EV_SIZING_BEST_FIT) scale = zoom_for_size_best_fit (doc_width, doc_height, width, height); else g_assert_not_reached ();