diff options
Diffstat (limited to 'shell/ev-view.c')
| -rw-r--r-- | shell/ev-view.c | 112 |
1 files changed, 110 insertions, 2 deletions
diff --git a/shell/ev-view.c b/shell/ev-view.c index d095093..07fdecd 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -19,6 +19,7 @@ */ #include <gtk/gtkalignment.h> +#include <glib/gi18n.h> #include "ev-marshal.h" #include "ev-view.h" @@ -42,6 +43,9 @@ struct _EvView { GtkAdjustment *vadjustment; GArray *find_results; + int results_on_this_page; + int next_page_with_result; + double find_percent_complete; double scale; }; @@ -458,6 +462,14 @@ ev_view_class_init (EvViewClass *class) NULL, NULL, ev_marshal_VOID__NONE, G_TYPE_NONE, 0); + + g_signal_new ("find-status-changed", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + 0, + NULL, NULL, + ev_marshal_VOID__NONE, + G_TYPE_NONE, 0); } static void @@ -472,8 +484,73 @@ ev_view_init (EvView *view) view->find_results = g_array_new (FALSE, FALSE, sizeof (EvFindResult)); + view->results_on_this_page = 0; + view->next_page_with_result = 0; } +static void +update_find_results (EvView *view) +{ + const EvFindResult *results; + int i; + int on_this_page; + int next_page_with_result; + int earliest_page_with_result; + int current_page; + gboolean counts_changed; + + results = (EvFindResult*) view->find_results->data; + current_page = ev_document_get_page (view->document); + next_page_with_result = 0; + on_this_page = 0; + earliest_page_with_result = 0; + + i = 0; + while (i < view->find_results->len) { + if (results[i].page_num == current_page) { + ++on_this_page; + } else { + int delta = results[i].page_num - current_page; + + if (delta > 0 && /* result on later page */ + (next_page_with_result == 0 || + results[i].page_num < next_page_with_result)) + next_page_with_result = results[i].page_num; + + if (delta < 0 && /* result on a previous page */ + (earliest_page_with_result == 0 || + results[i].page_num < earliest_page_with_result)) + earliest_page_with_result = results[i].page_num; + } + ++i; + } + + /* If earliest page is just the current page, there is no earliest page */ + if (earliest_page_with_result == current_page) + earliest_page_with_result = 0; + + /* If no next page, then wrap and the wrapped page is the next page */ + if (next_page_with_result == 0) + next_page_with_result = earliest_page_with_result; + + counts_changed = FALSE; + if (on_this_page != view->results_on_this_page || + next_page_with_result != view->next_page_with_result) { + view->results_on_this_page = on_this_page; + view->next_page_with_result = next_page_with_result; + counts_changed = TRUE; + } + + /* If there are no results at all, then the + * results of ev_view_get_find_status_message() will change + * to reflect the percent_complete so we have to emit the signal + */ + if (counts_changed || + view->find_results->len == 0) { + g_signal_emit_by_name (view, + "find-status-changed"); + } +} static void found_results_callback (EvDocument *document, @@ -494,7 +571,8 @@ found_results_callback (EvDocument *document, { int i; - g_printerr ("%d results: ", n_results); + g_printerr ("%d results %d%%: ", n_results, + (int) (percent_complete * 100)); i = 0; while (i < n_results) { g_printerr ("%d ", results[i].page_num); @@ -503,6 +581,9 @@ found_results_callback (EvDocument *document, g_printerr ("\n"); } #endif + + view->find_percent_complete = percent_complete; + update_find_results (view); gtk_widget_queue_draw (GTK_WIDGET (view)); } @@ -525,11 +606,14 @@ ev_view_set_document (EvView *view, int old_page = ev_view_get_page (view); if (view->document) { - g_object_unref (view->document); g_signal_handlers_disconnect_by_func (view->document, found_results_callback, view); g_array_set_size (view->find_results, 0); + view->results_on_this_page = 0; + view->next_page_with_result = 0; + + g_object_unref (view->document); } view->document = document; @@ -562,6 +646,10 @@ ev_view_set_page (EvView *view, ev_document_set_page (view->document, page); if (old_page != ev_document_get_page (view->document)) { g_signal_emit (view, page_changed_signal, 0); + + view->find_percent_complete = 0.0; + update_find_results (view); + gtk_widget_queue_draw (GTK_WIDGET (view)); } } @@ -656,3 +744,23 @@ ev_view_fit_width (EvView *view) ev_view_zoom (view, scale, FALSE); } + +char* +ev_view_get_find_status_message (EvView *view) +{ + if (view->find_results->len == 0) { + if (view->find_percent_complete >= (1.0 - 1e-10)) { + return g_strdup (_("Not found")); + } else { + return g_strdup_printf (_("%3d%% remaining to search"), + (int) ((1.0 - view->find_percent_complete) * 100)); + } + } else if (view->results_on_this_page == 0) { + g_assert (view->next_page_with_result != 0); + return g_strdup_printf (_("Found on page %d"), + view->next_page_with_result); + } else { + return g_strdup_printf (_("%d found on this page"), + view->results_on_this_page); + } +} |