X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=b51082f24dfde8aada92f9c383fe296bb24cfd49;hb=594edf9b1277d5ec88892c2ea02c2bdc2f2e8b0e;hp=c667bf9dbe40f6a627133106366b359fc215fcde;hpb=6d7f9e7cf7678b48828be0722ae2e998ce85b7a7;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index c667bf9d..b51082f2 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 @@ -31,6 +32,9 @@ #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-debug.h" +#include "ev-job-queue.h" +#include "ev-page-cache.h" +#include "ev-pixbuf-cache.h" #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass)) #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW)) @@ -50,6 +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 }, @@ -74,27 +83,30 @@ struct _EvView { GtkWidget parent_instance; EvDocument *document; - + GdkWindow *bin_window; char *status; char *find_status; - + int scroll_x; int scroll_y; - int x_offset; - int y_offset; - gboolean pressed_button; gboolean has_selection; GdkPoint selection_start; - GdkRectangle selection; + EvRectangle selection; EvViewCursor cursor; GtkAdjustment *hadjustment; GtkAdjustment *vadjustment; + EvPageCache *page_cache; + EvPixbufCache *pixbuf_cache; + + gint current_page; + EvJobRender *current_job; + int find_page; int find_result; int spacing; @@ -102,6 +114,8 @@ struct _EvView { double scale; int width; int height; + GtkBorder border; + gboolean show_border; }; struct _EvViewClass { @@ -113,27 +127,24 @@ struct _EvViewClass { void (*scroll_view) (EvView *view, GtkScrollType scroll, gboolean horizontal); - - /* Should this be notify::page? */ - void (*page_changed) (EvView *view); + }; -static guint page_changed_signal = 0; 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 @@ -143,7 +154,7 @@ 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); @@ -173,7 +184,7 @@ 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; @@ -190,8 +201,8 @@ view_set_adjustment_values (EvView *view, gtk_adjustment_value_changed (adjustment); } -/*** Virtual function implementations ***/ - +/*** Virtual function implementations ***/ + static void ev_view_finalize (GObject *object) { @@ -199,10 +210,8 @@ ev_view_finalize (GObject *object) LOG ("Finalize"); - if (view->document) - g_object_unref (view->document); - - ev_view_set_scroll_adjustments (view, NULL, NULL); + g_free (view->status); + g_free (view->find_status); G_OBJECT_CLASS (ev_view_parent_class)->finalize (object); } @@ -212,35 +221,135 @@ ev_view_destroy (GtkObject *object) { EvView *view = EV_VIEW (object); + if (view->document) { + g_object_unref (view->document); + view->document = NULL; + } + if (view->pixbuf_cache) { + g_object_unref (view->pixbuf_cache); + view->pixbuf_cache = NULL; + } ev_view_set_scroll_adjustments (view, NULL, NULL); - + GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object); } static void -view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, GdkRectangle *doc_rect) +ev_view_get_offsets (EvView *view, int *x_offset, int *y_offset) { - doc_rect->x = (view_rect->x - view->x_offset) / view->scale; - doc_rect->y = (view_rect->y - view->y_offset) / view->scale; - doc_rect->width = view_rect->width / view->scale; - doc_rect->height = view_rect->height / view->scale; + EvDocument *document = view->document; + GtkWidget *widget = GTK_WIDGET (view); + int width, height, target_width, target_height; + + g_return_if_fail (EV_IS_DOCUMENT (document)); + + ev_page_cache_get_size (view->page_cache, + view->current_page, + view->scale, + &width, &height); + + *x_offset = view->spacing; + *y_offset = view->spacing; + target_width = width + view->border.left + + view->border.right + view->spacing * 2; + target_height = height + view->border.top + + view->border.bottom + view->spacing * 2; + *x_offset += MAX (0, (widget->allocation.width - target_width) / 2); + *y_offset += MAX (0, (widget->allocation.height - target_height) / 2); +} + +static void +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->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, EvRectangle *doc_rect, GdkRectangle *view_rect) +{ + int x_offset, y_offset; + + 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; +} + +static void +compute_border (EvView *view, int width, int height, GtkBorder *border) +{ + if (view->show_border) { + ev_document_misc_get_page_border_size (width, height, border); + } else { + border->left = 0; + border->right = 0; + border->top = 0; + border->bottom = 0; + } } static void -doc_rect_to_view_rect (EvView *view, GdkRectangle *doc_rect, GdkRectangle *view_rect) +compute_zoom_factor (EvView *view) { - view_rect->x = doc_rect->x * view->scale + view->x_offset; - view_rect->y = doc_rect->y * view->scale + view->y_offset; - view_rect->width = doc_rect->width * view->scale; - view_rect->height = doc_rect->height * view->scale; + int doc_width, doc_height; + double scale, scale_w, scale_h; + GtkBorder border; + + if (view->width <= 0 && view->height <= 0) { + return; + } + + doc_width = doc_height = 0; + scale = scale_w = scale_h = 1.0; + ev_page_cache_get_size (view->page_cache, + view->current_page, + 1.0, + &doc_width, + &doc_height); + + compute_border (view, doc_width, doc_height, &border); + + if (doc_width == 0 || doc_height == 0) { + return; + } + + if (view->width >= 0) { + int target_width; + + target_width = view->width - (view->spacing * 2 + view->border.left + + view->border.right); + scale = scale_w = (double)target_width / doc_width; + } + + if (view->height >= 0) { + int target_height; + + target_height = view->height - (view->spacing * 2 + view->border.top + + view->border.bottom); + scale = scale_h = (double)target_height / doc_height; + } + + if (view->width >= 0 && view->height >= 0) { + scale = (scale_w < scale_h) ? scale_w : scale_h; + } + + view->scale = scale; } +/* Called by size_request to make sure we have appropriate jobs running. + */ static void ev_view_size_request (GtkWidget *widget, GtkRequisition *requisition) { EvView *view = EV_VIEW (widget); - GtkBorder border; gint width, height; if (!GTK_WIDGET_REALIZED (widget)) @@ -252,22 +361,32 @@ ev_view_size_request (GtkWidget *widget, return; } - ev_document_get_page_size (view->document, -1, - &width, &height); - ev_document_misc_get_page_border_size (width, height, &border); + compute_zoom_factor (view); + + ev_page_cache_get_size (view->page_cache, + view->current_page, + view->scale, + &width, &height); + + compute_border (view, width, height, &(view->border)); + + ev_pixbuf_cache_set_page_range (view->pixbuf_cache, + view->current_page, + view->current_page, + view->scale); if (view->width >= 0) { requisition->width = 0; } else { - requisition->width = width + border.left + border.right + - view->spacing * 2; + requisition->width = width + view->border.left + + view->border.right + view->spacing * 2; } - + if (view->height >= 0) { requisition->height = 0; } else { - requisition->height = height + border.top + border.bottom + - view->spacing * 2; + requisition->height = height + view->border.top + + view->border.bottom + view->spacing * 2; } } @@ -276,27 +395,12 @@ ev_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { EvView *view = EV_VIEW (widget); - gint target_width, target_height; - GtkBorder border; - gint width, height; GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL); view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL); - if (view->document) { - ev_document_get_page_size (view->document, -1, - &width, &height); - ev_document_misc_get_page_border_size (width, height, &border); - view->x_offset = view->spacing; - view->y_offset = view->spacing; - target_width = width + border.left + border.right + view->spacing * 2; - target_height = height + border.top + border.bottom + view->spacing * 2; - view->x_offset += MAX (0, (widget->allocation.width - target_width) / 2); - view->y_offset += MAX (0, (widget->allocation.height - target_height) / 2); - } - if (GTK_WIDGET_REALIZED (widget)) { gdk_window_resize (view->bin_window, MAX (widget->allocation.width, widget->requisition.width), @@ -311,19 +415,19 @@ 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 | @@ -332,7 +436,7 @@ 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); @@ -344,7 +448,7 @@ 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 | @@ -357,8 +461,6 @@ ev_view_realize (GtkWidget *widget) gdk_window_set_background (view->bin_window, &widget->style->mid[widget->state]); if (view->document) { - ev_document_set_target (view->document, view->bin_window); - /* We can't get page size without a target, so we have to * queue a size request at realization. Could be fixed * with EvDocument changes to allow setting a GdkScreen @@ -373,9 +475,6 @@ ev_view_unrealize (GtkWidget *widget) { EvView *view = EV_VIEW (widget); - if (view->document) - ev_document_set_target (view->document, NULL); - gdk_window_set_user_data (view->bin_window, NULL); gdk_window_destroy (view->bin_window); view->bin_window = NULL; @@ -411,7 +510,7 @@ 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); @@ -433,22 +532,29 @@ static void highlight_find_results (EvView *view) { EvDocumentFind *find; - int i, results; + int i, results = 0; g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document)); find = EV_DOCUMENT_FIND (view->document); - results = ev_document_find_get_n_results (find); + g_mutex_lock (EV_DOC_MUTEX); + results = ev_document_find_get_n_results (find, view->current_page); + g_mutex_unlock (EV_DOC_MUTEX); for (i = 0; i < results; i++) { - GdkRectangle rectangle; + EvRectangle rectangle; + GdkRectangle view_rectangle; guchar alpha; alpha = (i == view->find_result) ? 0x90 : 0x20; - ev_document_find_get_result (find, i, &rectangle); + g_mutex_lock (EV_DOC_MUTEX); + 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); } } @@ -458,37 +564,61 @@ expose_bin_window (GtkWidget *widget, GdkEventExpose *event) { EvView *view = EV_VIEW (widget); - GtkBorder border; gint width, height; GdkRectangle area; + int x_offset, y_offset; + GdkPixbuf *scaled_image; + GdkPixbuf *current_pixbuf; if (view->document == NULL) return; - ev_document_get_page_size (view->document, -1, - &width, &height); - ev_document_misc_get_page_border_size (width, height, &border); - + ev_view_get_offsets (view, &x_offset, &y_offset); + ev_page_cache_get_size (view->page_cache, + view->current_page, + view->scale, + &width, &height); + /* Paint the frame */ - area.x = view->x_offset; - area.y = view->y_offset; - area.width = width + border.left + border.right; - area.height = height + border.top + border.bottom; - ev_document_misc_paint_one_page (view->bin_window, widget, &area, &border); + area.x = x_offset; + area.y = y_offset; + area.width = width + view->border.left + view->border.right; + area.height = height + view->border.top + view->border.bottom; + + if (view->show_border) { + ev_document_misc_paint_one_page (view->bin_window, widget, &area, + &(view->border)); + } /* Render the document itself */ - ev_document_set_page_offset (view->document, - view->x_offset + border.left, - view->y_offset + border.top); - LOG ("Render area %d %d %d %d - Offset %d %d", event->area.x, event->area.y, event->area.width, event->area.height, - view->x_offset, view->y_offset); + x_offset, y_offset); - ev_document_render (view->document, - event->area.x, event->area.y, - event->area.width, event->area.height); + current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, view->current_page); + + if (current_pixbuf == NULL) + scaled_image = NULL; + else if (width == gdk_pixbuf_get_width (current_pixbuf) && + height == gdk_pixbuf_get_height (current_pixbuf)) + scaled_image = g_object_ref (current_pixbuf); + else + scaled_image = gdk_pixbuf_scale_simple (current_pixbuf, + width, height, + GDK_INTERP_NEAREST); + if (scaled_image) { + gdk_draw_pixbuf (view->bin_window, + GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL], + scaled_image, + 0, 0, + area.x + view->border.left, + area.y + view->border.top, + width, height, + GDK_RGB_DITHER_NORMAL, + 0, 0); + g_object_unref (scaled_image); + } if (EV_IS_DOCUMENT_FIND (view->document)) { highlight_find_results (view); @@ -525,16 +655,20 @@ ev_view_select_all (EvView *ev_view) GtkWidget *widget = GTK_WIDGET (ev_view); GdkRectangle selection; int width, height; - GtkBorder border; + int x_offset, y_offset; g_return_if_fail (EV_IS_VIEW (ev_view)); - ev_document_get_page_size (ev_view->document, -1, &width, &height); - ev_document_misc_get_page_border_size (width, height, &border); + + ev_view_get_offsets (ev_view, &x_offset, &y_offset); + ev_page_cache_get_size (ev_view->page_cache, + ev_view->current_page, + ev_view->scale, + &width, &height); ev_view->has_selection = TRUE; - selection.x = ev_view->x_offset + border.left; - selection.y = ev_view->y_offset + border.top; + selection.x = x_offset + ev_view->border.left; + selection.y = y_offset + ev_view->border.top; selection.width = width; selection.height = height; view_rect_to_doc_rect (ev_view, &selection, &ev_view->selection); @@ -546,17 +680,34 @@ void ev_view_copy (EvView *ev_view) { GtkClipboard *clipboard; - GdkRectangle selection; char *text; - doc_rect_to_view_rect (ev_view, &ev_view->selection, &selection); - text = ev_document_get_text (ev_view->document, &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, + ev_view->current_page, + &ev_view->selection); + g_mutex_unlock (EV_DOC_MUTEX); + clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), GDK_SELECTION_CLIPBOARD); gtk_clipboard_set_text (clipboard, text, -1); g_free (text); } +void +ev_view_set_show_border (EvView *view, gboolean show_border) +{ + g_return_if_fail (EV_IS_VIEW (view)); + + view->show_border = show_border; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + static void ev_view_primary_get_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, @@ -564,11 +715,17 @@ 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); - text = ev_document_get_text (ev_view->document, &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, + ev_view->current_page, + &ev_view->selection); + g_mutex_unlock (EV_DOC_MUTEX); gtk_selection_data_set_text (selection_data, text, -1); } @@ -631,27 +788,29 @@ ev_view_button_press_event (GtkWidget *widget, } static char * -status_message_from_link (EvLink *link) +status_message_from_link (EvView *view, EvLink *link) { EvLinkType type; - char *msg; - int page; + char *msg = NULL; + char *page_label; type = ev_link_get_link_type (link); - + switch (type) { case EV_LINK_TYPE_TITLE: - msg = g_strdup (ev_link_get_title (link)); + if (ev_link_get_title (link)) + msg = g_strdup (ev_link_get_title (link)); break; case EV_LINK_TYPE_PAGE: - page = ev_link_get_page (link); - msg = g_strdup_printf (_("Go to page %d"), page); + page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link)); + msg = g_strdup_printf (_("Go to page %s"), page_label); + g_free (page_label); break; case EV_LINK_TYPE_EXTERNAL_URI: msg = g_strdup (ev_link_get_uri (link)); break; default: - msg = NULL; + break; } return msg; @@ -673,7 +832,7 @@ 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"); @@ -684,7 +843,7 @@ ev_view_create_invisible_cursor(void) { GdkBitmap *empty; GdkColor black = { 0, 0, 0, 0 }; - static unsigned char bits[] = { 0x00 }; + static char bits[] = { 0x00 }; empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1); @@ -729,6 +888,54 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) } } + +static void +find_page_at_location (EvView *view, + gdouble x, + gdouble y, + gint *page, + gint *x_offset, + gint *y_offset) +{ + gint width, height; + + ev_page_cache_get_size (view->page_cache, + view->current_page, + view->scale, + &width, &height); + + x -= (view->border.left + view->spacing); + y -= (view->border.top + view->spacing); + + if ((x < 0) || (y < 0) || + (x >= width) || (y >= height)) { + *page = -1; + return; + } + *page = view->current_page; + *x_offset = (gint) x; + *y_offset = (gint) y; +} + +static EvLink * +get_link_at_location (EvView *view, + gdouble x, + gdouble y) +{ + gint page; + gint x_offset, y_offset; + GList *link_mapping; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + if (page == -1) + return NULL; + + link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); + + return ev_link_mapping_find (link_mapping, x_offset /view->scale, y_offset /view->scale); +} + + static gboolean ev_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event) @@ -749,16 +956,14 @@ ev_view_motion_notify_event (GtkWidget *widget, } else if (view->document) { EvLink *link; - link = ev_document_get_link (view->document, event->x, event->y); + link = get_link_at_location (view, event->x, event->y); if (link) { char *msg; - msg = status_message_from_link (link); + msg = status_message_from_link (view, link); ev_view_set_status (view, msg); ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); g_free (msg); - - g_object_unref (link); } else { ev_view_set_status (view, NULL); if (view->cursor == EV_VIEW_CURSOR_LINK) { @@ -770,6 +975,31 @@ ev_view_motion_notify_event (GtkWidget *widget, return TRUE; } +/* FIXME: standardize this sometime */ +static void +go_to_link (EvView *view, EvLink *link) +{ + EvLinkType type; + const char *uri; + int page; + + type = ev_link_get_link_type (link); + + switch (type) { + case EV_LINK_TYPE_TITLE: + break; + case EV_LINK_TYPE_PAGE: + page = ev_link_get_page (link); + ev_page_cache_set_current_page (view->page_cache, page); + break; + case EV_LINK_TYPE_EXTERNAL_URI: + uri = ev_link_get_uri (link); + gnome_vfs_url_show (uri); + break; + } +} + + static gboolean ev_view_button_release_event (GtkWidget *widget, GdkEventButton *event) @@ -783,12 +1013,9 @@ ev_view_button_release_event (GtkWidget *widget, } else if (view->document) { EvLink *link; - link = ev_document_get_link (view->document, - event->x, - event->y); + link = get_link_at_location (view, event->x, event->y); if (link) { - ev_view_go_to_link (view, link); - g_object_unref (link); + go_to_link (view, link); } } @@ -813,7 +1040,7 @@ 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, @@ -845,13 +1072,13 @@ 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, @@ -862,21 +1089,94 @@ 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, gboolean horizontal) { if (scroll == GTK_SCROLL_PAGE_BACKWARD) { - ev_view_set_page (view, ev_view_get_page (view) - 1); + ev_page_cache_prev_page (view->page_cache); } else if (scroll == GTK_SCROLL_PAGE_FORWARD) { - ev_view_set_page (view, ev_view_get_page (view) + 1); + 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; } @@ -884,11 +1184,11 @@ 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; @@ -969,13 +1269,6 @@ ev_view_class_init (EvViewClass *class) G_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); - page_changed_signal = g_signal_new ("page-changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, page_changed), - NULL, NULL, - ev_marshal_VOID__NONE, - G_TYPE_NONE, 0); g_signal_new ("scroll_view", G_TYPE_FROM_CLASS (object_class), @@ -996,7 +1289,7 @@ 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", @@ -1005,13 +1298,29 @@ 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 (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_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_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); +} + +void +ev_view_set_spacing (EvView *view, + int spacing) +{ + g_return_if_fail (EV_IS_VIEW (view)); + + view->spacing = spacing; + + if (view->document) { + gtk_widget_queue_resize (GTK_WIDGET (view)); + } } static void @@ -1019,10 +1328,12 @@ ev_view_init (EvView *view) { GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS); - view->spacing = 10; + view->spacing = 0; view->scale = 1.0; + view->current_page = 0; view->pressed_button = -1; view->cursor = EV_VIEW_CURSOR_NORMAL; + view->show_border = TRUE; } static void @@ -1030,12 +1341,15 @@ update_find_status_message (EvView *view) { char *message; - if (ev_document_get_page (view->document) == view->find_page) { +// g_mutex_lock (EV_DOC_MUTEX); + 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 contains plural cases. */ @@ -1045,69 +1359,23 @@ update_find_status_message (EvView *view) results); } else { double percent; - + + g_mutex_lock (EV_DOC_MUTEX); percent = ev_document_find_get_progress (EV_DOCUMENT_FIND (view->document)); - + g_mutex_unlock (EV_DOC_MUTEX); if (percent >= (1.0 - 1e-10)) { message = g_strdup (_("Not found")); } else { message = g_strdup_printf (_("%3d%% remaining to search"), (int) ((1.0 - percent) * 100)); } - + } +// g_mutex_unlock (EV_DOC_MUTEX); ev_view_set_find_status (view, message); - g_free (message); -} - -static void -set_document_page (EvView *view, int new_page) -{ - int page; - int pages; - - pages = ev_document_get_n_pages (view->document); - page = CLAMP (new_page, 1, pages); - - if (view->document) { - int old_page = ev_document_get_page (view->document); - int old_width, old_height; - - ev_document_get_page_size (view->document, - -1, - &old_width, &old_height); - - if (old_page != page) { - if (view->cursor != EV_VIEW_CURSOR_HIDDEN) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_WAIT); - } - ev_document_set_page (view->document, page); - } - - if (old_page != ev_document_get_page (view->document)) { - int width, height; - - g_signal_emit (view, page_changed_signal, 0); - - view->has_selection = FALSE; - ev_document_get_page_size (view->document, - -1, - &width, &height); - if (width != old_width || height != old_height) - gtk_widget_queue_resize (GTK_WIDGET (view)); - - gtk_adjustment_set_value (view->vadjustment, - view->vadjustment->lower); - } - - if (EV_IS_DOCUMENT_FIND (view->document)) { - view->find_page = page; - view->find_result = 0; - update_find_status_message (view); - } - } +// g_free (message); } #define MARGIN 5 @@ -1148,15 +1416,22 @@ 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; - n_results = ev_document_find_get_n_results (find); + g_mutex_lock (EV_DOC_MUTEX); + 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); - ensure_rectangle_is_visible (view, &rect); + (find, view->current_page, view->find_result, &rect); + g_mutex_unlock (EV_DOC_MUTEX); + + doc_rect_to_view_rect (view, &rect, &view_rect); + ensure_rectangle_is_visible (view, &view_rect); } } @@ -1165,24 +1440,25 @@ jump_to_find_page (EvView *view) { int n_pages, i; - n_pages = ev_document_get_n_pages (view->document); + 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); has_results = ev_document_find_page_has_results (EV_DOCUMENT_FIND (view->document), page); if (has_results == -1) { view->find_page = page; break; } else if (has_results == 1) { - set_document_page (view, page); + ev_page_cache_set_current_page (view->page_cache, page); jump_to_find_result (view); break; } @@ -1196,35 +1472,72 @@ find_changed_cb (EvDocument *document, int page, EvView *view) jump_to_find_result (view); update_find_status_message (view); - if (ev_document_get_page (document) == page) { + if (view->current_page == page) gtk_widget_queue_draw (GTK_WIDGET (view)); - } } +/*** Public API ***/ -static void -page_changed_callback (EvDocument *document, - EvView *view) +GtkWidget* +ev_view_new (void) { - gtk_widget_queue_draw (GTK_WIDGET (view)); - - if (view->cursor != EV_VIEW_CURSOR_HIDDEN) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } + return g_object_new (EV_TYPE_VIEW, NULL); } static void -scale_changed_callback (EvDocument *document, - EvView *view) +job_finished_cb (EvPixbufCache *pixbuf_cache, + EvView *view) { - gtk_widget_queue_resize (GTK_WIDGET (view)); + gtk_widget_queue_draw (GTK_WIDGET (view)); } -/*** Public API ***/ - -GtkWidget* -ev_view_new (void) + +static void +page_changed_cb (EvPageCache *page_cache, + int new_page, + EvView *view) { - return g_object_new (EV_TYPE_VIEW, NULL); + int old_page = view->current_page; + int old_width, old_height; + int new_width, new_height; + + if (old_page == new_page) + return; + + ev_page_cache_get_size (page_cache, + old_page, + view->scale, + &old_width, &old_height); + + view->current_page = new_page; + view->has_selection = FALSE; + + compute_zoom_factor (view); + + ev_page_cache_get_size (page_cache, + new_page, + view->scale, + &new_width, &new_height); + + compute_border (view, new_width, new_height, &(view->border)); + + ev_pixbuf_cache_set_page_range (view->pixbuf_cache, + view->current_page, + view->current_page, + view->scale); + + if (new_width != old_width || new_height != old_height) + gtk_widget_queue_resize (GTK_WIDGET (view)); + else + gtk_widget_queue_draw (GTK_WIDGET (view)); + + gtk_adjustment_set_value (view->vadjustment, + view->vadjustment->lower); + + if (EV_IS_DOCUMENT_FIND (view->document)) { + view->find_page = new_page; + view->find_result = 0; + update_find_status_message (view); + } } void @@ -1239,10 +1552,12 @@ ev_view_set_document (EvView *view, find_changed_cb, 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) { @@ -1253,72 +1568,16 @@ ev_view_set_document (EvView *view, G_CALLBACK (find_changed_cb), view); } - g_signal_connect (view->document, - "page_changed", - G_CALLBACK (page_changed_callback), - view); - g_signal_connect (view->document, - "scale_changed", - G_CALLBACK (scale_changed_callback), - view); + view->page_cache = ev_document_get_page_cache (view->document); + g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); + view->pixbuf_cache = ev_pixbuf_cache_new (view->document); + g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); } - if (GTK_WIDGET_REALIZED (view)) - ev_document_set_target (view->document, view->bin_window); - gtk_widget_queue_resize (GTK_WIDGET (view)); - - g_signal_emit (view, page_changed_signal, 0); - } -} - -static void -go_to_link (EvView *view, EvLink *link) -{ - EvLinkType type; - const char *uri; - int page; - - type = ev_link_get_link_type (link); - - switch (type) { - case EV_LINK_TYPE_TITLE: - break; - case EV_LINK_TYPE_PAGE: - page = ev_link_get_page (link); - set_document_page (view, page); - break; - case EV_LINK_TYPE_EXTERNAL_URI: - uri = ev_link_get_uri (link); - gnome_vfs_url_show (uri); - break; } } -void -ev_view_go_to_link (EvView *view, EvLink *link) -{ - go_to_link (view, link); -} - -void -ev_view_set_page (EvView *view, - int page) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - set_document_page (view, page); -} - -int -ev_view_get_page (EvView *view) -{ - if (view->document) - return ev_document_get_page (view->document); - else - return 1; -} - static void ev_view_zoom (EvView *view, double factor, @@ -1334,80 +1593,35 @@ ev_view_zoom (EvView *view, scale = CLAMP (scale, MIN_SCALE, MAX_SCALE); view->scale = scale; - - ev_document_set_scale (view->document, view->scale); + view->width = view->height = -1; + gtk_widget_queue_resize (GTK_WIDGET (view)); } void ev_view_zoom_in (EvView *view) { - view->width = view->height = -1; ev_view_zoom (view, ZOOM_IN_FACTOR, TRUE); } void ev_view_zoom_out (EvView *view) { - view->width = view->height = -1; ev_view_zoom (view, ZOOM_OUT_FACTOR, TRUE); } -static double -size_to_zoom_factor (EvView *view, int width, int height) -{ - int doc_width, doc_height; - double scale, scale_w, scale_h; - GtkBorder border; - - doc_width = doc_height = 0; - scale = scale_w = scale_h = 1.0; - ev_document_get_page_size (view->document, -1, &doc_width, &doc_height); - /* FIXME: The border size isn't constant. Ugh. Still, if we have extra - * space, we just cut it from the border */ - ev_document_misc_get_page_border_size (doc_width, doc_height, &border); - - if (doc_width == 0 && doc_height == 0) { - return 0; - } - - if (width >= 0) { - int target_width; - - target_width = width - (view->spacing * 2 + border.left + border.right); - scale = scale_w = (double)target_width * view->scale / doc_width; - } - - if (height >= 0) { - int target_height; - - target_height = height - (view->spacing * 2 + border.top + border.bottom); - scale = scale_h = (double)target_height * view->scale / doc_height; - } - - if (width >= 0 && height >= 0) { - scale = (scale_w < scale_h) ? scale_w : scale_h; - } - - return scale; -} - void ev_view_set_size (EvView *view, int width, int height) { - double factor; - if (!view->document) { return; } - if (view->width != width || - view->height != height) { + if (width != view->width || height != view->height) { view->width = width; view->height = height; - factor = size_to_zoom_factor (view, width, height); - ev_view_zoom (view, factor, FALSE); + gtk_widget_queue_resize (GTK_WIDGET (view)); } } @@ -1427,14 +1641,35 @@ 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) { + EvPageCache *page_cache; int n_results, n_pages; EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - n_results = ev_document_find_get_n_results (find); - n_pages = ev_document_get_n_pages (view->document); + page_cache = ev_document_get_page_cache (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); + + n_pages = ev_page_cache_get_n_pages (page_cache); view->find_result++; @@ -1442,8 +1677,8 @@ 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); @@ -1458,9 +1693,15 @@ ev_view_find_previous (EvView *view) { int n_results, n_pages; EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + EvPageCache *page_cache; + + page_cache = ev_document_get_page_cache (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); - n_results = ev_document_find_get_n_results (find); - n_pages = ev_document_get_n_pages (view->document); + n_pages = ev_page_cache_get_n_pages (page_cache); view->find_result--; @@ -1468,8 +1709,8 @@ 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); @@ -1487,5 +1728,5 @@ 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); }