void ensure_scrolled_window_row_visible(widget_t list, int row, int num_rows)
{
/* view files file list */
/* called in snd-file.c on vdat->file_list which is a vbox; its parent is a viewport */
/* also used in slist_moveto below */
GtkWidget *parent;
GtkAdjustment *v;
gdouble maximum, size, new_value, minimum;
parent = gtk_widget_get_parent(list);
v = gtk_viewport_get_vadjustment(GTK_VIEWPORT(parent));
maximum = v->upper;
minimum = v->lower;
size = v->page_size;
maximum -= size;
if (row == 0)
new_value = 0.0;
else
{
if (row >= (num_rows - 1))
new_value = maximum;
else new_value = ((row + 0.5) * ((maximum - minimum) / (float)(num_rows - 1)));
}
if (new_value != v->value)
gtk_adjustment_set_value(v, new_value);
}
static gboolean scroll_callback(GtkWidget * w, GdkEventScroll * evt,
gpointer data)
{
bg_nle_timeline_t * t = data;
double new_val;
GtkAdjustment * adj = gtk_viewport_get_vadjustment(GTK_VIEWPORT(t->preview_window));
// gtk_scrollbar_get_adjustment(GTK_SCROLLBAR(t->scrollbar));
if(evt->direction == GDK_SCROLL_UP)
{
new_val = adj->value - 3 * adj->step_increment;
gtk_adjustment_set_value(adj, new_val);
return TRUE;
}
else if(evt->direction == GDK_SCROLL_DOWN)
{
new_val = adj->value + 3 * adj->step_increment;
if(new_val > adj->upper - adj->page_size)
new_val = adj->upper - adj->page_size;
gtk_adjustment_set_value(adj, new_val);
return TRUE;
}
return FALSE;
}
bool gui_window_get_scroll(struct gui_window *g, int *sx, int *sy)
{
CALLED();
if (g->view == NULL)
return false;
if (!g->view->LockLooper())
return false;
#warning XXX: report to view frame ?
if (g->view->ScrollBar(B_HORIZONTAL))
*sx = (int)g->view->ScrollBar(B_HORIZONTAL)->Value();
if (g->view->ScrollBar(B_VERTICAL))
*sy = (int)g->view->ScrollBar(B_VERTICAL)->Value();
g->view->UnlockLooper();
#warning WRITEME
#if 0 /* GTK */
GtkAdjustment *vadj = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
assert(vadj);
assert(hadj);
*sy = (int)(gtk_adjustment_get_value(vadj));
*sx = (int)(gtk_adjustment_get_value(hadj));
#endif
return true;
}
static gboolean
wrap_table_child_focus_in (GtkWidget *widget,
GdkEventFocus *event,
gpointer data)
{
gint x, y;
GtkWidget *container, *viewport;
GtkAdjustment *hadj, *vadj;
container = gtk_widget_get_parent (widget);
if (container)
{
viewport = gtk_widget_get_parent (container);
}
g_assert (container && viewport);
g_assert (GTK_IS_VIEWPORT (viewport));
g_return_val_if_fail (gtk_widget_get_realized (viewport), FALSE);
if (!wrap_table_child_visible_in (widget, viewport))
{
hadj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (viewport));
vadj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (viewport));
gtk_widget_translate_coordinates (widget, container, 0, 0, &x, &y);
gtk_adjustment_set_value (hadj, MIN (x, hadj->upper - hadj->page_size));
gtk_adjustment_set_value (vadj, MIN (y, vadj->upper - vadj->page_size));
}
return FALSE;
}
static void
cv_tabs_sizealloc (GtkWidget *widget, GtkAllocation *allocation, chanview *cv)
{
GdkWindow *parent_win;
GtkAdjustment *adj;
GtkWidget *inner;
gint viewport_size;
inner = ((tabview *)cv)->inner;
parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
if (cv->vertical)
{
adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (gtk_widget_get_parent (inner)));
gdk_window_get_geometry (parent_win, 0, 0, 0, &viewport_size, 0);
} else
{
adj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (gtk_widget_get_parent (inner)));
gdk_window_get_geometry (parent_win, 0, 0, &viewport_size, 0, 0);
}
if (gtk_adjustment_get_upper (adj) <= viewport_size)
{
gtk_widget_hide (((tabview *)cv)->b1);
gtk_widget_hide (((tabview *)cv)->b2);
} else
{
gtk_widget_show (((tabview *)cv)->b1);
gtk_widget_show (((tabview *)cv)->b2);
}
}
/*
* CBoardDevice::Init()
*
* Initializes the device
*
* Returns: True if the initializing was successful and false if it failed.
*/
bool CBoardDevice::Init(GtkFixed *board_area, CBoardDeviceGroup *device_group)
{
this->device_group = device_group;
// Load the bitmap
GdkPixbuf *bg_pixbuf = gdk_pixbuf_new_from_stream(CFile(image_file.c_str()).get_input_stream(), NULL, NULL);
if(bg_pixbuf == NULL)
return false;
bitmap_x = bitmap_y = 0;
width = gdk_pixbuf_get_width(bg_pixbuf);
height = gdk_pixbuf_get_height(bg_pixbuf);
// Check if the type is LED, PUSH or TOGGLE
if(!strcmp(type.c_str(), "LED") ||
!strcmp(type.c_str(), "PUSH") ||
!strcmp(type.c_str(), "TOGGLE"))
{
// Set the appropriate width and height of the bitmap
width = width / 2;
// Check if PUSH because pushbuttons have the value 1 if they are up
if(!strcmp(type.c_str(), "PUSH"))
bitmap_x = 1;
}
// Check if the type is SSLED
else if(!strcmp(type.c_str(), "SSLED"))
{
// Set the appropriate width and height of the bitmap
width = width / 8;
height = height / 16;
}
GtkWidget *bg_viewport = gtk_viewport_new(NULL, NULL);
gtk_widget_set_events(bg_viewport, GDK_BUTTON_RELEASE_MASK);
g_signal_connect(G_OBJECT(bg_viewport), "button-press-event", G_CALLBACK(device_button_pressed), this);
g_signal_connect(G_OBJECT(bg_viewport), "button-release-event", G_CALLBACK(device_button_released), this);
gtk_widget_show(bg_viewport);
GtkWidget *bg_image = gtk_image_new_from_pixbuf(bg_pixbuf);
gtk_widget_show(bg_image);
gtk_container_add((GtkContainer*)bg_viewport, bg_image);
gtk_viewport_set_shadow_type((GtkViewport*)bg_viewport, GTK_SHADOW_NONE);
gtk_widget_set_size_request(bg_viewport, width, height);
gtk_adjustment_set_upper(gtk_viewport_get_hadjustment((GtkViewport*)bg_viewport), width);
gtk_adjustment_set_upper(gtk_viewport_get_vadjustment((GtkViewport*)bg_viewport), height);
gtk_fixed_put(board_area, bg_viewport, coords.x, coords.y);
g_object_unref(bg_pixbuf);
viewport = (GtkViewport*)bg_viewport;
ShowCorrectImage();
return true;
}
static void
tab_scroll_right_down_clicked (GtkWidget *widget, chanview *cv)
{
GtkAdjustment *adj;
gint viewport_size;
gfloat new_value;
GtkWidget *inner;
GdkWindow *parent_win;
gdouble i;
inner = ((tabview *)cv)->inner;
parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
if (cv->vertical)
{
adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner)));
gdk_window_get_geometry (parent_win, 0, 0, 0, &viewport_size, 0);
} else
{
adj = gtk_viewport_get_hadjustment (GTK_VIEWPORT (gtk_widget_get_parent(inner)));
gdk_window_get_geometry (parent_win, 0, 0, &viewport_size, 0, 0);
}
new_value = tab_search_offset (inner, gtk_adjustment_get_value (adj), 1, cv->vertical);
if (new_value == 0 || new_value + viewport_size > gtk_adjustment_get_upper (adj))
new_value = gtk_adjustment_get_upper (adj) - viewport_size;
if (!tab_right_is_moving)
{
tab_right_is_moving = 1;
for (i = gtk_adjustment_get_value (adj); ((i < new_value) && (tab_right_is_moving)); i += 0.1)
{
gtk_adjustment_set_value (adj, i);
while (g_main_context_pending (NULL))
g_main_context_iteration (NULL, TRUE);
}
gtk_adjustment_set_value (adj, new_value);
tab_right_is_moving = 0; /* hSP: set to false in case we didnt get stopped (the normal case) */
}
else
{
tab_right_is_moving = 0; /* hSP: jump directly to next element if user is clicking faster than we can scroll.. */
}
}
/* Returns the vertical scrollbar's adjustment, used to
* connect the vertical scrollbar to the child widget's
* vertical scroll functionality. */
int
clip_GTK_VIEWPORTGETVADJUSTMENT (ClipMachine *cm)
{
C_widget *cvp = _fetch_cw_arg(cm);
ClipVar * cv = RETPTR(cm);
GtkAdjustment* adj;
C_widget *cadj;
CHECKCWID(cvp,GTK_IS_VIEWPORT);
adj = gtk_viewport_get_vadjustment (GTK_VIEWPORT(cvp->widget));
cadj = _list_get_cwidget(cm, adj);
if (!cadj) cadj = _register_widget(cm, (GtkWidget*)adj, NULL);
if (cadj) _clip_mclone(cm, cv, &cadj->obj);
return 0;
err:
return 1;
}
void gui_window_set_scroll(struct gui_window *g, int sx, int sy)
{
CALLED();
if (g->view == NULL)
return;
if (!g->view->LockLooper())
return;
#warning XXX: report to view frame ?
if (g->view->ScrollBar(B_HORIZONTAL))
g->view->ScrollBar(B_HORIZONTAL)->SetValue(sx);
if (g->view->ScrollBar(B_VERTICAL))
g->view->ScrollBar(B_VERTICAL)->SetValue(sy);
g->view->UnlockLooper();
#warning WRITEME
#if 0 /* GTK */
GtkAdjustment *vadj = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hadj = gtk_viewport_get_hadjustment(g->viewport);
gdouble vlower, vpage, vupper, hlower, hpage, hupper, x = (double)sx, y = (double)sy;
assert(vadj);
assert(hadj);
g_object_get(vadj, "page-size", &vpage, "lower", &vlower, "upper", &vupper, NULL);
g_object_get(hadj, "page-size", &hpage, "lower", &hlower, "upper", &hupper, NULL);
if (x < hlower)
x = hlower;
if (x > (hupper - hpage))
x = hupper - hpage;
if (y < vlower)
y = vlower;
if (y > (vupper - vpage))
y = vupper - vpage;
gtk_adjustment_set_value(vadj, y);
gtk_adjustment_set_value(hadj, x);
#endif
}
static void
lyric_show_viewport_size_allocate(GtkWidget *widget,GtkAllocation *allocation)
{
LyricShowViewport *lsv;
lsv = LYRIC_SHOW_VIEWPORT(widget);
if(gtk_widget_get_realized(widget))
{
gdk_window_invalidate_rect(gtk_widget_get_window(widget),NULL,TRUE);
}
GTK_WIDGET_CLASS(lyric_show_viewport_parent_class)->size_allocate(widget,allocation);
if(gtk_widget_get_visible(lsv->priv->lyricbox))
{
gtk_bin_instance_set_increment_height(GTK_BIN_INSTANCE(lsv->priv->box_bin),allocation->height);
}else{
gtk_bin_instance_set_increment_height(GTK_BIN_INSTANCE(lsv->priv->box_bin),0);
}
#if 0
g_warning("x:%5d,y:%5d,width:%6d,heigth:%d",
allocation->x,allocation->y,
allocation->width,allocation->height);
#endif
if(gtk_widget_get_visible(lsv->priv->lyricbox))
{
gdouble value = (lsv->priv->pos+lsv->priv->pressed_pos);///-allocation->height/2.0;
GtkAdjustment *adj =
#if GTK_CHECK_VERSION(3,2,0)
gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(widget));
#else
gtk_viewport_get_vadjustment(GTK_VIEWPORT(lsv));
#endif
gtk_adjustment_set_value(adj,value);
}
}
bg_nle_timeline_t * bg_nle_timeline_create(bg_nle_project_t * p)
{
GtkWidget * box;
// GtkWidget * table;
GtkSizeGroup * size_group;
// GtkWidget * table1;
GtkStyle *style;
GtkWidget * frame;
int i;
bg_nle_timeline_t * ret = calloc(1, sizeof(*ret));
// GtkObject *adj = gtk_adjustment_new( 0, 0, 100, 1, 10, 0 );
ret->p = p;
bg_nle_time_range_copy(&ret->tr.selection,
&p->selection);
bg_nle_time_range_copy(&ret->tr.visible,
&p->visible);
bg_nle_time_range_copy(&ret->tr.in_out,
&p->in_out);
ret->tr.cursor_pos = p->cursor_pos;
// ret->tr.set_visible = visibility_changed_callback;
// ret->tr.set_zoom = zoom_changed_callback;
// ret->tr.set_selection = selection_changed_callback;
// ret->tr.set_in_out = in_out_changed_callback;
ret->tr.motion_callback = timewidget_motion_callback;
ret->tr.motion_callback_data = ret;
ret->tr.ti = &ret->time_info;
ret->ruler = bg_nle_time_ruler_create(&ret->tr);
// ret->paned = gtk_hpaned_new();
ret->edit_insert =
create_pixmap_radio_button(ret, "gmerlerra/edit_insert.png",
TRS("Insert mode"), &ret->edit_insert_id,
&ret->edit_mode_group);
ret->edit_overwrite =
create_pixmap_radio_button(ret, "gmerlerra/edit_overwrite.png",
TRS("Overwrite mode"), &ret->edit_overwrite_id,
&ret->edit_mode_group);
ret->preview_window = gtk_viewport_new(NULL, NULL);
gtk_widget_set_events(ret->preview_window,
GDK_POINTER_MOTION_MASK|GDK_BUTTON_PRESS_MASK);
g_signal_connect(ret->preview_window,
"scroll-event",
G_CALLBACK(scroll_callback), ret);
g_signal_connect(ret->preview_window,
"motion-notify-event",
G_CALLBACK(motion_notify_callback), ret);
g_signal_connect(ret->preview_window,
"size-allocate", G_CALLBACK(size_allocate_callback),
ret);
ret->scrollbar =
gtk_vscrollbar_new(gtk_viewport_get_vadjustment(GTK_VIEWPORT(ret->preview_window)));
gtk_widget_show(ret->scrollbar);
// gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(ret->preview_window),
// GTK_POLICY_NEVER, GTK_POLICY_NEVER);
ret->panel_window =
gtk_viewport_new(NULL, gtk_viewport_get_vadjustment(GTK_VIEWPORT(ret->preview_window)));
gtk_widget_set_events(ret->panel_window,
GDK_BUTTON_PRESS_MASK);
g_signal_connect(ret->panel_window,
"scroll-event",
G_CALLBACK(scroll_callback), ret);
gtk_viewport_set_shadow_type(GTK_VIEWPORT(ret->preview_window),
GTK_SHADOW_NONE);
gtk_viewport_set_shadow_type(GTK_VIEWPORT(ret->panel_window),
GTK_SHADOW_NONE);
gtk_widget_set_size_request(ret->panel_window, -1, 0);
gtk_widget_set_size_request(ret->preview_window, -1, 0);
// ret->panel_window =
// gtk_scrolled_window_new((GtkAdjustment *)0,
// GTK_ADJUSTMENT(adj));
// gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(ret->panel_window),
// GTK_POLICY_NEVER, GTK_POLICY_NEVER);
ret->preview_box = gtk_vbox_new(FALSE, 1);
ret->panel_box = gtk_vbox_new(FALSE, 1);
gtk_container_add(GTK_CONTAINER(ret->preview_window), ret->preview_box);
gtk_container_add(GTK_CONTAINER(ret->panel_window), ret->panel_box);
gtk_widget_show(ret->preview_box);
gtk_widget_show(ret->panel_box);
gtk_widget_show(ret->preview_window);
gtk_widget_show(ret->panel_window);
/* Pack */
box = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(box),
ret->edit_insert, FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box),
ret->edit_overwrite, FALSE, TRUE, 0);
gtk_widget_show(box);
size_group = gtk_size_group_new(GTK_SIZE_GROUP_VERTICAL);
gtk_size_group_add_widget(size_group, box);
gtk_size_group_add_widget(size_group, bg_nle_time_ruler_get_widget(ret->ruler));
g_object_unref(size_group);
ret->table = gtk_table_new(2, 3, 0);
/* Button box */
frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT);
gtk_container_set_border_width(GTK_CONTAINER(frame), 0);
style = gtk_style_copy(frame->style);
style->xthickness = 1;
style->ythickness = 1;
gtk_widget_set_style(frame, style);
g_object_unref(style);
gtk_container_add(GTK_CONTAINER(frame), box);
gtk_widget_show(frame);
gtk_table_attach(GTK_TABLE(ret->table),
frame,
0, 1, 0, 1,
GTK_FILL|GTK_SHRINK, GTK_FILL|GTK_SHRINK, 0, 0);
/* Panel window */
frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_container_set_border_width(GTK_CONTAINER(frame), 0);
style = gtk_style_copy(frame->style);
style->xthickness = 1;
style->ythickness = 1;
gtk_widget_set_style(frame, style);
g_object_unref(style);
gtk_container_add(GTK_CONTAINER(frame), ret->panel_window);
gtk_widget_show(frame);
gtk_table_attach(GTK_TABLE(ret->table),
frame,
0, 1, 1, 2,
GTK_FILL|GTK_SHRINK, GTK_EXPAND|GTK_FILL, 0, 0);
// gtk_widget_show(table);
// gtk_paned_add1(GTK_PANED(ret->paned), table);
// table = gtk_table_new(2, 1, 0);
/* Time ruler */
frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_container_set_border_width(GTK_CONTAINER(frame), 0);
style = gtk_style_copy(frame->style);
style->xthickness = 1;
style->ythickness = 1;
gtk_widget_set_style(frame, style);
g_object_unref(style);
gtk_container_add(GTK_CONTAINER(frame), bg_nle_time_ruler_get_widget(ret->ruler));
gtk_widget_show(frame);
gtk_table_attach(GTK_TABLE(ret->table),
frame,
1, 2, 0, 1,
GTK_EXPAND|GTK_FILL, GTK_FILL|GTK_SHRINK, 0, 0);
/* Preview window */
frame = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_container_set_border_width(GTK_CONTAINER(frame), 0);
style = gtk_style_copy(frame->style);
style->xthickness = 1;
style->ythickness = 1;
gtk_widget_set_style(frame, style);
g_object_unref(style);
gtk_container_add(GTK_CONTAINER(frame), ret->preview_window);
gtk_widget_show(frame);
gtk_table_attach(GTK_TABLE(ret->table),
frame,
1, 2, 1, 2,
GTK_EXPAND|GTK_FILL, GTK_EXPAND|GTK_FILL, 0, 0);
gtk_table_attach(GTK_TABLE(ret->table),
ret->scrollbar,
2, 3, 1, 2,
GTK_FILL|GTK_SHRINK, GTK_EXPAND|GTK_FILL, 0, 0);
gtk_widget_show(ret->table);
// gtk_paned_add2(GTK_PANED(ret->paned), table);
// gtk_widget_show(ret->paned);
/* Add tracks */
if(ret->p->num_tracks)
ret->tracks = calloc(ret->p->num_tracks, sizeof(*ret->tracks));
for(i = 0; i < ret->p->num_tracks; i++)
{
ret->tracks[ret->num_tracks] =
bg_nle_track_widget_create(ret->p->tracks[i], &ret->tr, ret->ruler);
gtk_box_pack_start(GTK_BOX(ret->panel_box),
bg_nle_track_widget_get_panel(ret->tracks[ret->num_tracks]),
FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(ret->preview_box),
bg_nle_track_widget_get_preview(ret->tracks[ret->num_tracks]),
FALSE, FALSE, 0);
ret->num_tracks++;
}
/* Add outstreams */
if(ret->p->num_outstreams)
{
ret->outstreams = calloc(ret->p->num_outstreams, sizeof(*ret->outstreams));
for(i = 0; i < ret->p->num_outstreams; i++)
{
ret->outstreams[ret->num_outstreams] =
bg_nle_outstream_widget_create(ret->p->outstreams[i], ret->ruler, &ret->tr);
gtk_box_pack_start(GTK_BOX(ret->panel_box),
bg_nle_outstream_widget_get_panel(ret->outstreams[ret->num_outstreams]),
FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(ret->preview_box),
bg_nle_outstream_widget_get_preview(ret->outstreams[ret->num_outstreams]),
FALSE, FALSE, 0);
ret->num_outstreams++;
}
}
/* Set radio buttons */
bg_nle_timeline_set_edit_mode(ret, ret->p->edit_mode);
return ret;
}
/*if (simple_p)
nskey = (uint32_t)0;*/
break;
}
}
} else {
nskey = utf8_to_ucs4(bytes, numbytes);
}
bool done = browser_window_key_press(g->bw, nskey);
LOG(("nskey %d %d", nskey, done));
//if (browser_window_key_press(g->bw, nskey))
return;
}
#warning WRITEME
#if 0 /* GTK */
gboolean nsbeos_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
gpointer data)
{
struct gui_window *g = data;
uint32_t nskey = gdkkey_to_nskey(event);
if (browser_window_key_press(g->bw, nskey))
return TRUE;
if (event->state == 0) {
double value;
GtkAdjustment *vscroll = gtk_viewport_get_vadjustment(g->viewport);
GtkAdjustment *hscroll = gtk_viewport_get_hadjustment(g->viewport);
GtkAdjustment *scroll;
const GtkAllocation *const alloc =
>K_WIDGET(g->viewport)->allocation;
switch (event->keyval) {
default:
return TRUE;
case GDK_Home:
case GDK_KP_Home:
scroll = vscroll;
value = scroll->lower;
break;
case GDK_End:
case GDK_KP_End:
scroll = vscroll;
value = scroll->upper - alloc->height;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Left:
case GDK_KP_Left:
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->step_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Up:
case GDK_KP_Up:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->step_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Right:
case GDK_KP_Right:
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->step_increment;
if (value > scroll->upper - alloc->width)
value = scroll->upper - alloc->width;
break;
case GDK_Down:
case GDK_KP_Down:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->step_increment;
if (value > scroll->upper - alloc->height)
value = scroll->upper - alloc->height;
break;
case GDK_Page_Up:
case GDK_KP_Page_Up:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
scroll->page_increment;
if (value < scroll->lower)
value = scroll->lower;
break;
case GDK_Page_Down:
case GDK_KP_Page_Down:
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
scroll->page_increment;
if (value > scroll->upper - alloc->height)
value = scroll->upper - alloc->height;
break;
}
gtk_adjustment_set_value(scroll, value);
}
return TRUE;
}