X-Git-Url: https://git.stderr.nl/gitweb?p=rodin%2Fchimara.git;a=blobdiff_plain;f=libchimara%2Fpager.c;fp=libchimara%2Fpager.c;h=c88ab63630c3918478e7c1d75027af4a85307175;hp=a8904cf2a9cf2bb4bcc808ce1e25779301cf9596;hb=441fcc88b3dfe63ca59faf77c00caf7504497c35;hpb=0120992e5a32001e29b8b63a41f60ece14ef7aa6 diff --git a/libchimara/pager.c b/libchimara/pager.c index a8904cf..c88ab63 100644 --- a/libchimara/pager.c +++ b/libchimara/pager.c @@ -6,7 +6,7 @@ and return the distance between the pager and the end of the buffer in buffer coordinates */ static void -move_pager_and_get_scroll_distance(GtkTextView *textview, gint *view_height, gint *scroll_distance) +move_pager_and_get_scroll_distance(GtkTextView *textview, gint *view_height, gint *scroll_distance, gboolean move ) { GdkRectangle pagerpos, endpos, visiblerect; GtkTextIter oldpager, newpager, end; @@ -23,7 +23,8 @@ move_pager_and_get_scroll_distance(GtkTextView *textview, gint *view_height, gin ); gtk_text_buffer_get_iter_at_mark(buffer, &oldpager, pager); - gtk_text_buffer_move_mark(buffer, pager, &newpager); + if(move) + gtk_text_buffer_move_mark(buffer, pager, &newpager); /* Get the buffer coordinates of the pager and the end iter */ gtk_text_buffer_get_end_iter(buffer, &end); @@ -42,6 +43,7 @@ move_pager_and_get_scroll_distance(GtkTextView *textview, gint *view_height, gin static void start_paging(winid_t win) { + printf("Start paging\n"); win->currently_paging = TRUE; g_signal_handler_unblock(win->widget, win->pager_expose_handler); g_signal_handler_unblock(win->widget, win->pager_keypress_handler); @@ -51,6 +53,7 @@ start_paging(winid_t win) static void stop_paging(winid_t win) { + printf("Stop paging\n"); win->currently_paging = FALSE; g_signal_handler_block(win->widget, win->pager_expose_handler); g_signal_handler_block(win->widget, win->pager_keypress_handler); @@ -62,13 +65,15 @@ gboolean pager_check(gpointer data) { - printf("pager check...\n"); + printf("pager check (idle)...\n"); winid_t win = (winid_t) data; /* Move the pager to the last visible character in the buffer */ gint view_height, scroll_distance; - move_pager_and_get_scroll_distance( GTK_TEXT_VIEW(win->widget), &view_height, &scroll_distance ); + move_pager_and_get_scroll_distance( GTK_TEXT_VIEW(win->widget), &view_height, &scroll_distance, FALSE ); + + gdk_threads_enter(); if(view_height <= 1) /* Paging is unusable when window is too small */ @@ -86,14 +91,15 @@ pager_check(gpointer data) #endif } else if(scroll_distance > 0) { - GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget)); - GtkTextMark *end = gtk_text_buffer_get_mark(buffer, "end_position"); + if(win->input_request_type != INPUT_REQUEST_NONE) { + GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget)); + GtkTextMark *end = gtk_text_buffer_get_mark(buffer, "end_position"); - gdk_threads_enter(); - gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), end); - gdk_threads_leave(); + gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), end); + } } } + gdk_threads_leave(); /* Returning FALSE to prevent this function from being called multiple times */ return FALSE; @@ -105,8 +111,8 @@ pager_after_adjustment_changed(GtkAdjustment *adj, winid_t win) { /* Move the pager, etc. */ gint scroll_distance, view_height; - move_pager_and_get_scroll_distance( GTK_TEXT_VIEW(win->widget), &view_height, &scroll_distance ); - + move_pager_and_get_scroll_distance( GTK_TEXT_VIEW(win->widget), &view_height, &scroll_distance, TRUE ); + if(scroll_distance > 0 && !win->currently_paging) start_paging(win); else if(scroll_distance == 0 && win->currently_paging) @@ -168,3 +174,47 @@ pager_on_expose(GtkTextView *textview, GdkEventExpose *event, winid_t win) return FALSE; /* Propagate event further */ } +gboolean +pager_after_expose_event(GtkTextView *textview, GdkEventExpose *event, winid_t win) +{ + printf("pager check (expose)...\n"); + g_idle_add(pager_check, win); + +// /* Move the pager to the last visible character in the buffer */ +// gint view_height, scroll_distance; +// move_pager_and_get_scroll_distance( GTK_TEXT_VIEW(win->widget), &view_height, &scroll_distance, FALSE ); +// +// if(view_height <= 1) +// /* Paging is unusable when window is too small */ +// return FALSE; +// +// if(!win->currently_paging) { +// if(scroll_distance > view_height) { +// start_paging(win); +// /* Seriously... */ +// /* COMPAT: */ +//#if GTK_CHECK_VERSION(2,14,0) +// gdk_window_invalidate_rect(gtk_widget_get_window(win->widget), NULL, TRUE); +//#else +// gdk_window_invalidate_rect(win->widget->window, NULL, TRUE); +//#endif +// } +// else if(scroll_distance > 0) { +// if(win->input_request_type != INPUT_REQUEST_NONE) { +// GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget)); +// GtkTextMark *end = gtk_text_buffer_get_mark(buffer, "end_position"); +// +// gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(win->widget), end); +// } +// } +// } + + return FALSE; +} + +void +pager_after_size_request(GtkTextView *textview, GtkRequisition *requisition, winid_t win) +{ + printf("pager check (size request)...\n"); + g_idle_add(pager_check, win); +}