X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=b615b6c4b0bc92ea6f4a4cbc9d5acbcf8956266b;hb=0a98d7368e225a9867acd04ea0c64094c22ba621;hp=d1bce99fc8d9735714e5cb4d0ad50a74499ec674;hpb=03ad9a29cbe1a89dfc5e8b94a74f6f86c4cba076;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index d1bce99f..b615b6c4 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -18,6 +18,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ +#include #include #include #include @@ -53,6 +54,11 @@ enum { TARGET_TEXT_BUFFER_CONTENTS }; +enum { + EV_SCROLL_PAGE_FORWARD, + EV_SCROLL_PAGE_BACKWARD +}; + static const GtkTargetEntry targets[] = { { "STRING", 0, TARGET_STRING }, { "TEXT", 0, TARGET_TEXT }, @@ -77,19 +83,19 @@ struct _EvView { GtkWidget parent_instance; EvDocument *document; - + GdkWindow *bin_window; char *status; char *find_status; - + int scroll_x; int scroll_y; gboolean pressed_button; gboolean has_selection; GdkPoint selection_start; - GdkRectangle selection; + EvRectangle selection; EvViewCursor cursor; GtkAdjustment *hadjustment; @@ -119,24 +125,24 @@ struct _EvViewClass { void (*scroll_view) (EvView *view, GtkScrollType scroll, gboolean horizontal); - + }; static void ev_view_set_scroll_adjustments (EvView *view, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment); - + G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET) -/*** Helper functions ***/ - +/*** Helper functions ***/ + static void view_update_adjustments (EvView *view) { int old_x = view->scroll_x; int old_y = view->scroll_y; - + if (view->hadjustment) view->scroll_x = view->hadjustment->value; else @@ -146,7 +152,7 @@ view_update_adjustments (EvView *view) view->scroll_y = view->vadjustment->value; else view->scroll_y = 0; - + if (GTK_WIDGET_REALIZED (view) && (view->scroll_x != old_x || view->scroll_y != old_y)) { gdk_window_move (view->bin_window, - view->scroll_x, - view->scroll_y); @@ -176,7 +182,7 @@ view_set_adjustment_values (EvView *view, if (!adjustment) return; - + adjustment->page_size = allocation; adjustment->step_increment = allocation * 0.1; adjustment->page_increment = allocation * 0.9; @@ -193,8 +199,8 @@ view_set_adjustment_values (EvView *view, gtk_adjustment_value_changed (adjustment); } -/*** Virtual function implementations ***/ - +/*** Virtual function implementations ***/ + static void ev_view_finalize (GObject *object) { @@ -222,7 +228,7 @@ ev_view_destroy (GtkObject *object) view->pixbuf_cache = NULL; } ev_view_set_scroll_adjustments (view, NULL, NULL); - + GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object); } @@ -242,7 +248,7 @@ ev_view_get_offsets (EvView *view, int *x_offset, int *y_offset) &width, &height); ev_document_misc_get_page_border_size (width, height, &border); - + *x_offset = view->spacing; *y_offset = view->spacing; target_width = width + border.left + border.right + view->spacing * 2; @@ -252,27 +258,27 @@ ev_view_get_offsets (EvView *view, int *x_offset, int *y_offset) } static void -view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, GdkRectangle *doc_rect) +view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, EvRectangle *doc_rect) { int x_offset, y_offset; - ev_view_get_offsets (view, &x_offset, &y_offset); - doc_rect->x = (view_rect->x - x_offset) / view->scale; - doc_rect->y = (view_rect->y - y_offset) / view->scale; - doc_rect->width = view_rect->width / view->scale; - doc_rect->height = view_rect->height / view->scale; + ev_view_get_offsets (view, &x_offset, &y_offset); + doc_rect->x1 = (double) (view_rect->x - x_offset) / view->scale; + doc_rect->y1 = (double) (view_rect->y - y_offset) / view->scale; + doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale; + doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; } static void -doc_rect_to_view_rect (EvView *view, GdkRectangle *doc_rect, GdkRectangle *view_rect) +doc_rect_to_view_rect (EvView *view, EvRectangle *doc_rect, GdkRectangle *view_rect) { int x_offset, y_offset; - ev_view_get_offsets (view, &x_offset, &y_offset); - view_rect->x = doc_rect->x * view->scale + x_offset; - view_rect->y = doc_rect->y * view->scale + y_offset; - view_rect->width = doc_rect->width * view->scale; - view_rect->height = doc_rect->height * view->scale; + ev_view_get_offsets (view, &x_offset, &y_offset); + view_rect->x = floor (doc_rect->x1 * view->scale) + x_offset; + view_rect->y = floor (doc_rect->y1 * view->scale) + y_offset; + view_rect->width = ceil (doc_rect->x2 * view->scale) + x_offset - view_rect->x; + view_rect->height = ceil (doc_rect->y2 * view->scale) + y_offset - view_rect->y; } @@ -312,7 +318,7 @@ ev_view_size_request (GtkWidget *widget, requisition->width = width + border.left + border.right + view->spacing * 2; } - + if (view->height >= 0) { requisition->height = 0; } else { @@ -346,19 +352,19 @@ ev_view_realize (GtkWidget *widget) GdkWindowAttr attributes; GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); - + attributes.window_type = GDK_WINDOW_CHILD; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); - + attributes.x = widget->allocation.x; attributes.y = widget->allocation.y; attributes.width = widget->allocation.width; attributes.height = widget->allocation.height; attributes.event_mask = 0; - + widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, GDK_WA_X | GDK_WA_Y | @@ -367,7 +373,7 @@ ev_view_realize (GtkWidget *widget) gdk_window_set_user_data (widget->window, widget); widget->style = gtk_style_attach (widget->style, widget->window); gdk_window_set_background (widget->window, &widget->style->mid[widget->state]); - + attributes.x = 0; attributes.y = 0; attributes.width = MAX (widget->allocation.width, widget->requisition.width); @@ -379,7 +385,7 @@ ev_view_realize (GtkWidget *widget) GDK_KEY_PRESS_MASK | GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK; - + view->bin_window = gdk_window_new (widget->window, &attributes, GDK_WA_X | GDK_WA_Y | @@ -441,7 +447,7 @@ draw_rubberband (GtkWidget *widget, GdkWindow *window, gdk_draw_pixbuf (window, NULL, pixbuf, 0, 0, - rect->x,rect->y, + rect->x, rect->y, rect->width, rect->height, GDK_RGB_DITHER_NONE, 0, 0); @@ -469,22 +475,23 @@ highlight_find_results (EvView *view) find = EV_DOCUMENT_FIND (view->document); -#if 0 g_mutex_lock (EV_DOC_MUTEX); - results = ev_document_find_get_n_results (find); + results = ev_document_find_get_n_results (find, view->current_page); g_mutex_unlock (EV_DOC_MUTEX); -#endif - + for (i = 0; i < results; i++) { - GdkRectangle rectangle; + EvRectangle rectangle; + GdkRectangle view_rectangle; guchar alpha; alpha = (i == view->find_result) ? 0x90 : 0x20; g_mutex_lock (EV_DOC_MUTEX); - ev_document_find_get_result (find, i, &rectangle); + ev_document_find_get_result (find, view->current_page, + i, &rectangle); g_mutex_unlock (EV_DOC_MUTEX); + doc_rect_to_view_rect (view, &rectangle, &view_rectangle); draw_rubberband (GTK_WIDGET (view), view->bin_window, - &rectangle, alpha); + &view_rectangle, alpha); } } @@ -504,14 +511,14 @@ expose_bin_window (GtkWidget *widget, if (view->document == NULL) return; - ev_view_get_offsets (view, &x_offset, &y_offset); + ev_view_get_offsets (view, &x_offset, &y_offset); ev_page_cache_get_size (view->page_cache, view->current_page, view->scale, &width, &height); ev_document_misc_get_page_border_size (width, height, &border); - + /* Paint the frame */ area.x = x_offset; area.y = y_offset; @@ -611,12 +618,16 @@ void ev_view_copy (EvView *ev_view) { GtkClipboard *clipboard; - GdkRectangle selection; char *text; - doc_rect_to_view_rect (ev_view, &ev_view->selection, &selection); + if (!ev_document_can_get_text (ev_view->document)) { + return; + } + g_mutex_lock (EV_DOC_MUTEX); - text = ev_document_get_text (ev_view->document, &selection); + text = ev_document_get_text (ev_view->document, + ev_view->current_page, + &ev_view->selection); g_mutex_unlock (EV_DOC_MUTEX); clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), @@ -632,12 +643,16 @@ ev_view_primary_get_cb (GtkClipboard *clipboard, gpointer data) { EvView *ev_view = EV_VIEW (data); - GdkRectangle selection; char *text; - doc_rect_to_view_rect (ev_view, &ev_view->selection, &selection); + if (!ev_document_can_get_text (ev_view->document)) { + return; + } + g_mutex_lock (EV_DOC_MUTEX); - text = ev_document_get_text (ev_view->document, &selection); + text = ev_document_get_text (ev_view->document, + ev_view->current_page, + &ev_view->selection); g_mutex_unlock (EV_DOC_MUTEX); gtk_selection_data_set_text (selection_data, text, -1); } @@ -708,7 +723,7 @@ status_message_from_link (EvView *view, EvLink *link) char *page_label; type = ev_link_get_link_type (link); - + switch (type) { case EV_LINK_TYPE_TITLE: if (ev_link_get_title (link)) @@ -745,7 +760,7 @@ static void ev_view_set_find_status (EvView *view, const char *message) { g_return_if_fail (EV_IS_VIEW (view)); - + g_free (view->find_status); view->find_status = g_strdup (message); g_object_notify (G_OBJECT (view), "find-status"); @@ -930,7 +945,7 @@ set_scroll_adjustment (EvView *view, to_set = &view->hadjustment; else to_set = &view->vadjustment; - + if (*to_set != adjustment) { if (*to_set) { g_signal_handlers_disconnect_by_func (*to_set, @@ -962,13 +977,13 @@ ev_view_set_scroll_adjustments (EvView *view, } static void -add_scroll_binding (GtkBindingSet *binding_set, - guint keyval, - GtkScrollType scroll, - gboolean horizontal) +add_scroll_binding_keypad (GtkBindingSet *binding_set, + guint keyval, + GtkScrollType scroll, + gboolean horizontal) { guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left; - + gtk_binding_entry_add_signal (binding_set, keyval, 0, "scroll_view", 2, GTK_TYPE_SCROLL_TYPE, scroll, @@ -979,6 +994,77 @@ add_scroll_binding (GtkBindingSet *binding_set, G_TYPE_BOOLEAN, horizontal); } +static void +add_scroll_binding_shifted (GtkBindingSet *binding_set, + guint keyval, + GtkScrollType scroll_normal, + GtkScrollType scroll_shifted, + gboolean horizontal) +{ + gtk_binding_entry_add_signal (binding_set, keyval, 0, + "scroll_view", 2, + GTK_TYPE_SCROLL_TYPE, scroll_normal, + G_TYPE_BOOLEAN, horizontal); + gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK, + "scroll_view", 2, + GTK_TYPE_SCROLL_TYPE, scroll_shifted, + G_TYPE_BOOLEAN, horizontal); +} + +static void +ev_view_jump (EvView *view, + GtkScrollType scroll) +{ + GtkAdjustment *adjustment; + double value, increment; + gboolean first_page = FALSE; + gboolean last_page = FALSE; + + /* Assign values for increment and vertical adjustment */ + adjustment = view->vadjustment; + increment = adjustment->page_size * 0.75; + value = adjustment->value; + + /* Assign boolean for first and last page */ + if (view->current_page == 0) + first_page = TRUE; + if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1) + last_page = TRUE; + + switch (scroll) { + case EV_SCROLL_PAGE_BACKWARD: + /* Do not jump backwards if at the first page */ + if (value == (adjustment->lower) && first_page) { + /* Do nothing */ + /* At the top of a page, assign the upper bound limit of previous page */ + } else if (value == (adjustment->lower)) { + value = adjustment->upper - adjustment->page_size; + ev_page_cache_set_current_page (view->page_cache, view->current_page - 1); + /* Jump to the top */ + } else { + value = MAX (value - increment, adjustment->lower); + } + break; + case EV_SCROLL_PAGE_FORWARD: + /* Do not jump forward if at the last page */ + if (value == (adjustment->upper - adjustment->page_size) && last_page) { + /* Do nothing */ + /* At the bottom of a page, assign the lower bound limit of next page */ + } else if (value == (adjustment->upper - adjustment->page_size)) { + value = 0; + ev_page_cache_set_current_page (view->page_cache, view->current_page + 1); + /* Jump to the bottom */ + } else { + value = MIN (value + increment, adjustment->upper - adjustment->page_size); + } + break; + default: + break; + } + + gtk_adjustment_set_value (adjustment, value); +} + static void ev_view_scroll_view (EvView *view, GtkScrollType scroll, @@ -988,12 +1074,14 @@ ev_view_scroll_view (EvView *view, ev_page_cache_prev_page (view->page_cache); } else if (scroll == GTK_SCROLL_PAGE_FORWARD) { ev_page_cache_next_page (view->page_cache); + } else if (scroll == EV_SCROLL_PAGE_BACKWARD || scroll == EV_SCROLL_PAGE_FORWARD) { + ev_view_jump (view, scroll); } else { GtkAdjustment *adjustment; double value; if (horizontal) { - adjustment = view->hadjustment; + adjustment = view->hadjustment; } else { adjustment = view->vadjustment; } @@ -1001,11 +1089,11 @@ ev_view_scroll_view (EvView *view, value = adjustment->value; switch (scroll) { - case GTK_SCROLL_STEP_BACKWARD: - value -= adjustment->step_increment; + case GTK_SCROLL_STEP_BACKWARD: + value -= adjustment->step_increment; break; case GTK_SCROLL_STEP_FORWARD: - value += adjustment->step_increment; + value += adjustment->step_increment; break; default: break; @@ -1106,7 +1194,7 @@ ev_view_class_init (EvViewClass *class) G_PARAM_READABLE)); g_object_class_install_property (object_class, - PROP_STATUS, + PROP_FIND_STATUS, g_param_spec_string ("find-status", "Find Status Message", "The find status message", @@ -1115,13 +1203,16 @@ ev_view_class_init (EvViewClass *class) binding_set = gtk_binding_set_by_class (class); - add_scroll_binding (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE); - add_scroll_binding (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE); - add_scroll_binding (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE); - add_scroll_binding (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE); + + add_scroll_binding_keypad (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE); - add_scroll_binding (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE); - add_scroll_binding (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE); + add_scroll_binding_shifted (binding_set, GDK_space, EV_SCROLL_PAGE_FORWARD, EV_SCROLL_PAGE_BACKWARD, FALSE); + add_scroll_binding_shifted (binding_set, GDK_BackSpace, EV_SCROLL_PAGE_BACKWARD, EV_SCROLL_PAGE_FORWARD, FALSE); } static void @@ -1142,12 +1233,13 @@ update_find_status_message (EvView *view) char *message; // g_mutex_lock (EV_DOC_MUTEX); - if (ev_document_get_page (view->document) == view->find_page) { + if (view->current_page == view->find_page) { int results; // g_mutex_lock (EV_DOC_MUTEX); results = ev_document_find_get_n_results - (EV_DOCUMENT_FIND (view->document)); + (EV_DOCUMENT_FIND (view->document), + view->current_page); // g_mutex_unlock (EV_DOC_MUTEX); /* TRANS: Sometimes this could be better translated as "%d hit(s) on this page". Therefore this string @@ -1169,7 +1261,7 @@ update_find_status_message (EvView *view) message = g_strdup_printf (_("%3d%% remaining to search"), (int) ((1.0 - percent) * 100)); } - + } // g_mutex_unlock (EV_DOC_MUTEX); @@ -1215,20 +1307,22 @@ static void jump_to_find_result (EvView *view) { EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - GdkRectangle rect; + EvRectangle rect; + GdkRectangle view_rect; int n_results; g_mutex_lock (EV_DOC_MUTEX); - n_results = ev_document_find_get_n_results (find); + n_results = ev_document_find_get_n_results (find, view->current_page); g_mutex_unlock (EV_DOC_MUTEX); if (n_results > view->find_result) { g_mutex_lock (EV_DOC_MUTEX); ev_document_find_get_result - (find, view->find_result, &rect); + (find, view->current_page, view->find_result, &rect); g_mutex_unlock (EV_DOC_MUTEX); - ensure_rectangle_is_visible (view, &rect); + doc_rect_to_view_rect (view, &rect, &view_rect); + ensure_rectangle_is_visible (view, &view_rect); } } @@ -1239,16 +1333,16 @@ jump_to_find_page (EvView *view) n_pages = ev_page_cache_get_n_pages (view->page_cache); - for (i = 0; i <= n_pages; i++) { + for (i = 0; i < n_pages; i++) { int has_results; int page; page = i + view->find_page; - if (page > n_pages) { + if (page >= n_pages) { page = page - n_pages; } - g_mutex_lock (EV_DOC_MUTEX); + // g_mutex_lock (EV_DOC_MUTEX); has_results = ev_document_find_page_has_results (EV_DOCUMENT_FIND (view->document), page); if (has_results == -1) { @@ -1269,15 +1363,11 @@ find_changed_cb (EvDocument *document, int page, EvView *view) jump_to_find_result (view); update_find_status_message (view); -#if 0 - /* FIXME: */ - if (ev_document_get_page (document) == page) { + if (view->current_page == page) gtk_widget_queue_draw (GTK_WIDGET (view)); - } -#endif } -/*** Public API ***/ - +/*** Public API ***/ + GtkWidget* ev_view_new (void) { @@ -1329,7 +1419,7 @@ page_changed_cb (EvPageCache *page_cache, gtk_widget_queue_resize (GTK_WIDGET (view)); else gtk_widget_queue_draw (GTK_WIDGET (view)); - + gtk_adjustment_set_value (view->vadjustment, view->vadjustment->lower); @@ -1353,11 +1443,11 @@ ev_view_set_document (EvView *view, view); g_object_unref (view->document); view->page_cache = NULL; - + } view->document = document; - view->find_page = 1; + view->find_page = 0; view->find_result = 0; if (view->document) { @@ -1373,11 +1463,17 @@ ev_view_set_document (EvView *view, view->pixbuf_cache = ev_pixbuf_cache_new (view->document); g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); } - + gtk_widget_queue_resize (GTK_WIDGET (view)); } } +int +ev_view_get_page (EvView *view) +{ + return view->current_page; +} + static void go_to_link (EvView *view, EvLink *link) { @@ -1386,7 +1482,7 @@ go_to_link (EvView *view, EvLink *link) int page; type = ev_link_get_link_type (link); - + switch (type) { case EV_LINK_TYPE_TITLE: break; @@ -1519,6 +1615,22 @@ ev_view_get_find_status (EvView *view) return view->find_status; } +gboolean +ev_view_can_find_next (EvView *view) +{ + int n_results = 0; + + if (EV_IS_DOCUMENT_FIND (view->document)) { + EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + + g_mutex_lock (EV_DOC_MUTEX); + n_results = ev_document_find_get_n_results (find, view->current_page); + g_mutex_unlock (EV_DOC_MUTEX); + } + + return n_results > 0; +} + void ev_view_find_next (EvView *view) { @@ -1528,7 +1640,7 @@ ev_view_find_next (EvView *view) page_cache = ev_document_get_page_cache (view->document); g_mutex_lock (EV_DOC_MUTEX); - n_results = ev_document_find_get_n_results (find); + n_results = ev_document_find_get_n_results (find, view->current_page); g_mutex_unlock (EV_DOC_MUTEX); n_pages = ev_page_cache_get_n_pages (page_cache); @@ -1539,8 +1651,8 @@ ev_view_find_next (EvView *view) view->find_result = 0; view->find_page++; - if (view->find_page > n_pages) { - view->find_page = 1; + if (view->find_page >= n_pages) { + view->find_page = 0; } jump_to_find_page (view); @@ -1560,7 +1672,7 @@ ev_view_find_previous (EvView *view) page_cache = ev_document_get_page_cache (view->document); g_mutex_lock (EV_DOC_MUTEX); - n_results = ev_document_find_get_n_results (find); + n_results = ev_document_find_get_n_results (find, view->current_page); g_mutex_unlock (EV_DOC_MUTEX); n_pages = ev_page_cache_get_n_pages (page_cache); @@ -1571,8 +1683,8 @@ ev_view_find_previous (EvView *view) view->find_result = 0; view->find_page--; - if (view->find_page < 1) { - view->find_page = n_pages; + if (view->find_page < 0) { + view->find_page = n_pages - 1; } jump_to_find_page (view); @@ -1590,5 +1702,5 @@ ev_view_hide_cursor (EvView *view) void ev_view_show_cursor (EvView *view) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); + ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); }