int main(int argc, char *argv[])
{
gtk_init(&argc, &argv);
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(window, "destroy", G_CALLBACK(destroy), NULL);
GtkWidget *table = gtk_table_new(2, 2, FALSE);
gtk_container_add(GTK_CONTAINER(window), table);
GtkWidget *layout = gtk_layout_new(NULL, NULL);
gtk_layout_set_size(GTK_LAYOUT(layout), 2000, 800);
gtk_table_attach(GTK_TABLE(table), layout, 0, 1, 0, 1, GTK_FILL, GTK_FILL, 0, 0);
GtkAdjustment *vadjustment = gtk_layout_get_vadjustment(GTK_LAYOUT(layout));
GtkAdjustment *hadjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(layout));
GtkWidget *vscrollbar = gtk_vscrollbar_new(vadjustment);
gtk_table_attach(GTK_TABLE(table), vscrollbar, 1, 2, 0, 1, GTK_SHRINK, GTK_FILL | GTK_EXPAND, 0, 0);
GtkWidget *hscrollbar = gtk_hscrollbar_new(hadjustment);
gtk_table_attach(GTK_TABLE(table), hscrollbar, 0, 1, 1, 2, GTK_EXPAND | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
static gboolean
do_adjustment (gpointer user_data)
{
int row;
GtkAdjustment *adj ;
gfloat value, min_value, max_value;
EReflow *reflow = user_data;
row = reflow->cursor_row;
if (row == -1)
return FALSE;
adj = gtk_layout_get_hadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (reflow)->canvas));
value = adj->value;
if ((!reflow->items) || (!reflow->items[row]))
return TRUE;
min_value = reflow->items[row]->x2 - adj->page_size;
max_value = reflow->items[row]->x1;
if (value < min_value)
value = min_value;
if (value > max_value)
value = max_value;
if (value != adj->value) {
adj->value = value;
gtk_adjustment_value_changed (adj);
}
reflow->do_adjustment_idle_id = 0;
return FALSE;
}
GtkAdjustment *nsgtk_layout_get_hadjustment(GtkLayout *layout)
{
#if GTK_CHECK_VERSION(3,0,0)
return gtk_scrollable_get_hadjustment(GTK_SCROLLABLE(layout));
#else
return gtk_layout_get_hadjustment(layout);
#endif
}
static gboolean
scroll_layout (gpointer data)
{
GtkWidget *layout = data;
GtkAdjustment *adj;
adj = gtk_layout_get_hadjustment (GTK_LAYOUT (layout));
gtk_adjustment_set_value (adj,
gtk_adjustment_get_value (adj) + 5.0);
return TRUE;
}
/*
* Return the DwWidget which is at position (vx, vy) in viewport coordinates.
*/
DwWidget* a_Dw_gtk_viewport_widget_at_viewport_point (GtkDwViewport *viewport,
gint32 vx,
gint32 vy)
{
gint32 world_x, world_y;
if (viewport->child) {
world_x = vx + gtk_layout_get_hadjustment(GTK_LAYOUT(viewport))->value;
world_y = vy + gtk_layout_get_vadjustment(GTK_LAYOUT(viewport))->value;
return Dw_gtk_viewport_widget_at_point (viewport, world_x, world_y);
} else
return NULL;
}
/* Virtual functions */
static void
e_reflow_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GnomeCanvasItem *item;
EReflow *reflow;
item = GNOME_CANVAS_ITEM (object);
reflow = E_REFLOW (object);
switch (prop_id){
case PROP_HEIGHT:
reflow->height = g_value_get_double (value);
reflow->need_reflow_columns = TRUE;
e_canvas_item_request_reflow(item);
break;
case PROP_MINIMUM_WIDTH:
reflow->minimum_width = g_value_get_double (value);
if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(object))
set_empty(reflow);
e_canvas_item_request_reflow(item);
break;
case PROP_EMPTY_MESSAGE:
g_free(reflow->empty_message);
reflow->empty_message = g_strdup(g_value_get_string (value));
if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(object))
set_empty(reflow);
break;
case PROP_MODEL:
connect_model (reflow, (EReflowModel *) g_value_get_object (value));
break;
case PROP_COLUMN_WIDTH:
if (reflow->column_width != g_value_get_double (value)) {
GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
double old_width = reflow->column_width;
reflow->column_width = g_value_get_double (value);
adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
gtk_adjustment_changed(adjustment);
e_reflow_resize_children(item);
e_canvas_item_request_reflow(item);
reflow->need_column_resize = TRUE;
gnome_canvas_item_request_update(item);
if (old_width != reflow->column_width)
column_width_changed (reflow);
}
break;
}
}
int
on_screen_scroll(GtkAdjustment * adjustment, gpointer user_data)
{
GtkAdjustment *adj = NULL;
GtkWidget *w = NULL;
AppData *app_data = get_app_data();
ui_hide_arrows_if_exists(app_data->app_ui_data, FALSE);
pdf_viewer_scroller_changed((PDFScroll) GPOINTER_TO_UINT(user_data));
if ( display_mode ==1){
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_data->app_ui_data->layout));
if ( !adj) {
/* Ignore when no document loaded */
if ( app_data->state == PDF_VIEWER_STATE_EMPTY ) {
ui_show_banner(GTK_WIDGET(app_data->app_ui_data->app_view),
_("pdfv_ib_menu_not_available") );
return TRUE;
}
adj = gtk_layout_get_hadjustment(GTK_LAYOUT(app_data->app_ui_data->layout));
}
/* If scroll is far left/top or page fits to screen then try to move to previous page */
//g_print("adj->value %f",adj->value);
if ( adj->upper <= adj->page_size || adj->value < 0.0001 ) {
w = gtk_ui_manager_get_widget(app_data->app_ui_data->ui_manager,
"/ToolBar/pdfv_me_menu_page_previous");
if ( (w != NULL) && (GTK_WIDGET_IS_SENSITIVE(w))) {
pdf_viewer_navigate_page(pdf_viewer_get_current_page()-1);
ui_update_current_page(app_data->app_ui_data);
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_data->app_ui_data->layout));
gtk_adjustment_set_value(adj,adj->value + adj->upper - adj->page_size -0.0001);
} else {
if ( pdf_viewer_get_current_page() == 1) {
ui_show_banner(GTK_WIDGET(app_data->app_ui_data->app_view),
_("pdfv_ib_first_page_reached"));
}
}
return TRUE;
}
if ( adj->page_size < adj->upper &&adj->value < ( adj->upper - adj->page_size ) ) {
return TRUE;
} else {
if ( pdf_viewer_get_num_pages() != pdf_viewer_get_current_page() ) {
pdf_viewer_navigate_page(pdf_viewer_get_current_page()+1);
ui_update_current_page(app_data->app_ui_data);
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_data->app_ui_data->layout));
gtk_adjustment_set_value(adj,adj->value + 0.0001);
}
}
return TRUE;
}
}
static void
incarnate (EReflow *reflow)
{
int column_width;
int first_column;
int last_column;
int first_cell;
int last_cell;
int i;
GtkAdjustment *adjustment = gtk_layout_get_hadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (reflow)->canvas));
column_width = reflow->column_width;
first_column = adjustment->value - 1 + E_REFLOW_BORDER_WIDTH;
first_column /= column_width + E_REFLOW_FULL_GUTTER;
last_column = adjustment->value + adjustment->page_size + 1 - E_REFLOW_BORDER_WIDTH - E_REFLOW_DIVIDER_WIDTH;
last_column /= column_width + E_REFLOW_FULL_GUTTER;
last_column ++;
if (first_column >= 0 && first_column < reflow->column_count)
first_cell = reflow->columns[first_column];
else
first_cell = 0;
if (last_column >= 0 && last_column < reflow->column_count)
last_cell = reflow->columns[last_column];
else
last_cell = reflow->count;
for (i = first_cell; i < last_cell; i++) {
int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
if (reflow->items[unsorted] == NULL) {
if (reflow->model) {
reflow->items[unsorted] = e_reflow_model_incarnate (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
g_object_set (reflow->items[unsorted],
"selected", e_selection_model_is_row_selected(E_SELECTION_MODEL(reflow->selection), unsorted),
"width", (double) reflow->column_width,
NULL);
}
}
}
reflow->incarnate_idle_id = 0;
}
/*
* Drawing and resizing is done in this idle function.
*/
static gint Dw_gtk_viewport_draw_resize_idle (gpointer data)
{
GtkDwViewport *viewport;
GtkLayout *layout;
GtkWidget *widget;
DwRectangle viewport_area, world_area;
GdkRectangle gtk_area;
int i;
viewport = GTK_DW_VIEWPORT (data);
switch (viewport->draw_resize_action) {
case DW_GTK_VIEWPORT_DRAW:
for (i = 0; i < viewport->num_draw_areas; i++) {
widget = GTK_WIDGET (viewport);
layout = GTK_LAYOUT (viewport);
viewport_area.x = gtk_layout_get_hadjustment(layout)->value;
viewport_area.y = gtk_layout_get_vadjustment(layout)->value;;
viewport_area.width = widget->allocation.width;
viewport_area.height = widget->allocation.height;
if (p_Dw_rectangle_intersect (&viewport->draw_areas[i],
&viewport_area, &world_area)) {
gtk_area.x = world_area.x - viewport_area.x;
gtk_area.y = world_area.y - viewport_area.y;
gtk_area.width = world_area.width;
gtk_area.height = world_area.height;
gtk_widget_draw (widget, >k_area);
}
}
/* No more areas to be drawn. */
viewport->num_draw_areas = 0;
break;
case DW_GTK_VIEWPORT_RESIZE:
Dw_gtk_viewport_calc_size (viewport);
break;
}
viewport->draw_resize_idle_id = 0;
return FALSE;
}
static void
e_reflow_realize (GnomeCanvasItem *item)
{
EReflow *reflow;
GtkAdjustment *adjustment;
int count;
int i;
reflow = E_REFLOW (item);
if (GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->realize)
(* GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->realize) (item);
reflow->arrow_cursor = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW);
reflow->default_cursor = gdk_cursor_new (GDK_LEFT_PTR);
count = reflow->count;
for(i = 0; i < count; i++) {
if (reflow->items[i])
gnome_canvas_item_set(reflow->items[i],
"width", reflow->column_width,
NULL);
}
set_empty(reflow);
reflow->need_reflow_columns = TRUE;
e_canvas_item_request_reflow(item);
adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
#if 0
connect_set_adjustment (reflow);
#endif
connect_adjustment (reflow, adjustment);
adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
gtk_adjustment_changed(adjustment);
if (!item->canvas->aa) {
}
}
int
clip_GTK_LAYOUTGETHADJUSTMENT(ClipMachine * cm)
{
C_widget *clay = _fetch_cw_arg(cm);
C_widget * cadj ;
GtkAdjustment *adj;
CHECKCWID(clay,GTK_IS_LAYOUT);
adj = gtk_layout_get_hadjustment(GTK_LAYOUT(clay->widget));
if (adj)
{
cadj = _list_get_cwidget(cm, adj);
if (!cadj) cadj = _register_widget(cm, GTK_WIDGET(adj), NULL);
if (cadj) _clip_mclone(cm, RETPTR(cm), &cadj->obj);
}
return 0;
err:
return 1;
}
/*
* Handle the mouse event and deliver it to the Dw widget.
* Most is done in a_Dw_widget_mouse_event.
*/
static gint Dw_gtk_viewport_mouse_event (GtkWidget *widget,
gint32 x,
gint32 y,
GdkEvent *event)
{
GtkDwViewport *viewport;
DwWidget *dw_widget;
gint32 world_x, world_y;
if (event == NULL || event->any.window == widget->window) {
viewport = GTK_DW_VIEWPORT (widget);
if (viewport->child) {
world_x = x + gtk_layout_get_hadjustment(GTK_LAYOUT(viewport))->value;
world_y = y + gtk_layout_get_vadjustment(GTK_LAYOUT(viewport))->value;
dw_widget =
Dw_gtk_viewport_widget_at_point (viewport, world_x, world_y);
return Dw_widget_mouse_event (dw_widget, widget,
world_x, world_y, event);
}
}
return FALSE;
}
static void
move_to_found (HTMLSearch *info)
{
HTMLEngine *e = info->engine;
HTMLEngine *ep = get_root_engine (info->engine);
HTMLObject *first = HTML_OBJECT (info->found->data);
HTMLObject *last = HTML_OBJECT (g_list_last (info->found)->data);
HTMLTextSlave *slave;
GtkAdjustment *adjustment;
GtkLayout *layout;
gint x, y, ex, ey, w, h;
gint nx = e->x_offset;
gint ny = e->y_offset;
/* x,y is top-left corner, ex+w,ey+h is bottom-right */
html_object_calc_abs_position (first, &x, &y);
add_iframe_off (e, &x, &y);
/* find slave where starts selection and get its coordinates as upper-left corner */
while (first->next && HTML_OBJECT_TYPE (first->next) == HTML_TYPE_TEXTSLAVE) {
first = first->next;
slave = HTML_TEXT_SLAVE (first);
if (slave->posStart + slave->posLen >= info->start_pos) {
html_object_calc_abs_position (HTML_OBJECT (slave), &x, &y);
add_iframe_off (e, &x, &y);
break;
}
}
/* the same with last */
html_object_calc_abs_position (last, &ex, &ey);
while (last->next && HTML_OBJECT_TYPE (last->next) == HTML_TYPE_TEXTSLAVE) {
last = last->next;
slave = HTML_TEXT_SLAVE (last);
if (slave->posStart + slave->posLen >= info->start_pos) {
html_object_calc_abs_position (HTML_OBJECT (slave), &ex, &ey);
add_iframe_off (e, &ex, &ey);
break;
}
}
y -= first->ascent;
ex += last->width;
ey += last->descent;
w = ex - x;
h = ey - y;
/* now calculate gtkhtml adustments */
if (x <= ep->x_offset)
nx = x;
else if (x + w > ep->x_offset + ep->width)
nx = x + w - ep->width;
if (y <= ep->y_offset)
ny = y;
else if (y + h > ep->y_offset + ep->height)
ny = y + h - ep->height;
/* finally adjust them if they changed */
layout = GTK_LAYOUT (ep->widget);
if (ep->x_offset != nx) {
adjustment = gtk_layout_get_hadjustment (layout);
gtk_adjustment_set_value (adjustment, nx);
}
if (ep->y_offset != ny) {
adjustment = gtk_layout_get_vadjustment (layout);
gtk_adjustment_set_value (adjustment, ny);
}
}
static void
e_reflow_update (GnomeCanvasItem *item, double affine[6], ArtSVP *clip_path, gint flags)
{
EReflow *reflow;
double x0, x1, y0, y1;
reflow = E_REFLOW (item);
if (GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->update)
GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->update (item, affine, clip_path, flags);
x0 = item->x1;
y0 = item->y1;
x1 = item->x2;
y1 = item->y2;
if ( x1 < x0 + reflow->width )
x1 = x0 + reflow->width;
if ( y1 < y0 + reflow->height )
y1 = y0 + reflow->height;
item->x2 = x1;
item->y2 = y1;
if (reflow->need_height_update) {
x0 = item->x1;
y0 = item->y1;
x1 = item->x2;
y1 = item->y2;
if ( x0 > 0 )
x0 = 0;
if ( y0 > 0 )
y0 = 0;
if ( x1 < E_REFLOW(item)->width )
x1 = E_REFLOW(item)->width;
if ( x1 < E_REFLOW(item)->height )
x1 = E_REFLOW(item)->height;
gnome_canvas_request_redraw(item->canvas, x0, y0, x1, y1);
reflow->need_height_update = FALSE;
} else if (reflow->need_column_resize) {
int x_rect, y_rect, width_rect, height_rect;
int start_line = e_reflow_pick_line(reflow,
gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
gdouble running_width;
int i;
double column_width;
if ( reflow->previous_temp_column_width != -1 ) {
running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
column_width = reflow->previous_temp_column_width;
running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
y_rect = E_REFLOW_BORDER_WIDTH;
width_rect = E_REFLOW_DIVIDER_WIDTH;
height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
for ( i = 0; i < reflow->column_count; i++) {
x_rect = running_width;
gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
}
}
if ( reflow->temp_column_width != -1 ) {
running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
column_width = reflow->temp_column_width;
running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
y_rect = E_REFLOW_BORDER_WIDTH;
width_rect = E_REFLOW_DIVIDER_WIDTH;
height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
for ( i = 0; i < reflow->column_count; i++) {
x_rect = running_width;
gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
}
}
reflow->previous_temp_column_width = reflow->temp_column_width;
reflow->need_column_resize = FALSE;
}
}
static void e_reflow_draw (GnomeCanvasItem *item, GdkDrawable *drawable,
int x, int y, int width, int height)
{
int x_rect, y_rect, width_rect, height_rect;
gdouble running_width;
EReflow *reflow = E_REFLOW(item);
int i;
double column_width;
if (GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->draw)
GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->draw (item, drawable, x, y, width, height);
column_width = reflow->column_width;
running_width = E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
x_rect = running_width;
y_rect = E_REFLOW_BORDER_WIDTH;
width_rect = E_REFLOW_DIVIDER_WIDTH;
height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
/* Compute first column to draw. */
i = x;
i /= column_width + E_REFLOW_FULL_GUTTER;
running_width += i * (column_width + E_REFLOW_FULL_GUTTER);
for ( ; i < reflow->column_count; i++) {
if ( running_width > x + width )
break;
x_rect = running_width;
gtk_paint_flat_box(GTK_WIDGET(item->canvas)->style,
drawable,
GTK_STATE_ACTIVE,
GTK_SHADOW_NONE,
NULL,
GTK_WIDGET(item->canvas),
"reflow",
x_rect - x,
y_rect - y,
width_rect,
height_rect);
running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
}
if (reflow->column_drag) {
int start_line = e_reflow_pick_line(reflow,
gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
i = x - start_line * (column_width + E_REFLOW_FULL_GUTTER);
running_width = start_line * (column_width + E_REFLOW_FULL_GUTTER);
column_width = reflow->temp_column_width;
running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
i += start_line * (column_width + E_REFLOW_FULL_GUTTER);
running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
x_rect = running_width;
y_rect = E_REFLOW_BORDER_WIDTH;
width_rect = E_REFLOW_DIVIDER_WIDTH;
height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);
/* Compute first column to draw. */
i /= column_width + E_REFLOW_FULL_GUTTER;
running_width += i * (column_width + E_REFLOW_FULL_GUTTER);
for ( ; i < reflow->column_count; i++) {
if ( running_width > x + width )
break;
x_rect = running_width;
gdk_draw_rectangle(drawable,
GTK_WIDGET(item->canvas)->style->fg_gc[GTK_STATE_NORMAL],
TRUE,
x_rect - x,
y_rect - y,
width_rect - 1,
height_rect - 1);
running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
}
}
}
static gboolean
e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
{
EReflow *reflow;
int return_val = FALSE;
reflow = E_REFLOW (item);
switch( event->type )
{
case GDK_KEY_PRESS:
return_val = e_selection_model_key_press(reflow->selection, (GdkEventKey *) event);
break;
#if 0
if (event->key.keyval == GDK_Tab ||
event->key.keyval == GDK_KP_Tab ||
event->key.keyval == GDK_ISO_Left_Tab) {
int i;
int count;
count = reflow->count;
for (i = 0; i < count; i++) {
int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
GnomeCanvasItem *item = reflow->items[unsorted];
EFocus has_focus;
if (item) {
g_object_get(item,
"has_focus", &has_focus,
NULL);
if (has_focus) {
if (event->key.state & GDK_SHIFT_MASK) {
if (i == 0)
return FALSE;
i--;
} else {
if (i == count - 1)
return FALSE;
i++;
}
unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
if (reflow->items[unsorted] == NULL) {
reflow->items[unsorted] = e_reflow_model_incarnate (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
}
item = reflow->items[unsorted];
gnome_canvas_item_set(item,
"has_focus", (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START,
NULL);
return TRUE;
}
}
}
}
#endif
case GDK_BUTTON_PRESS:
switch(event->button.button)
{
case 1:
{
GdkEventButton *button = (GdkEventButton *) event;
double n_x, max_x;
n_x = button->x;
n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
max_x = E_REFLOW_BORDER_WIDTH;
max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
if ( button->y >= E_REFLOW_BORDER_WIDTH && button->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > button->x ) {
/* don't allow to drag the first line*/
if (e_reflow_pick_line(reflow, button->x) == 0)
return TRUE;
reflow->which_column_dragged = e_reflow_pick_line(reflow, button->x);
reflow->start_x = reflow->which_column_dragged * (reflow->column_width + E_REFLOW_FULL_GUTTER) - E_REFLOW_DIVIDER_WIDTH / 2;
reflow->temp_column_width = reflow->column_width;
reflow->column_drag = TRUE;
gnome_canvas_item_grab (item,
GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
reflow->arrow_cursor,
button->time);
reflow->previous_temp_column_width = -1;
reflow->need_column_resize = TRUE;
gnome_canvas_item_request_update(item);
return TRUE;
}
}
break;
case 4:
{
GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
gdouble new_value = adjustment->value;
new_value -= adjustment->step_increment;
gtk_adjustment_set_value(adjustment, new_value);
}
break;
case 5:
{
GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
gdouble new_value = adjustment->value;
new_value += adjustment->step_increment;
if ( new_value > adjustment->upper - adjustment->page_size )
new_value = adjustment->upper - adjustment->page_size;
gtk_adjustment_set_value(adjustment, new_value);
}
break;
}
break;
case GDK_BUTTON_RELEASE:
if (reflow->column_drag) {
gdouble old_width = reflow->column_width;
GdkEventButton *button = (GdkEventButton *) event;
GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
reflow->temp_column_width = reflow->column_width +
(button->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
if ( reflow->temp_column_width < 50 )
reflow->temp_column_width = 50;
reflow->column_drag = FALSE;
if ( old_width != reflow->temp_column_width ) {
gtk_adjustment_set_value(adjustment, adjustment->value + e_reflow_pick_line(reflow, adjustment->value) * (reflow->temp_column_width - reflow->column_width));
reflow->column_width = reflow->temp_column_width;
adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
gtk_adjustment_changed(adjustment);
e_reflow_resize_children(item);
e_canvas_item_request_reflow(item);
gnome_canvas_request_redraw(item->canvas, 0, 0, reflow->width, reflow->height);
column_width_changed (reflow);
}
reflow->need_column_resize = TRUE;
gnome_canvas_item_request_update(item);
gnome_canvas_item_ungrab (item, button->time);
return TRUE;
}
break;
case GDK_MOTION_NOTIFY:
if (reflow->column_drag) {
double old_width = reflow->temp_column_width;
GdkEventMotion *motion = (GdkEventMotion *) event;
GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
reflow->temp_column_width = reflow->column_width +
(motion->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
if (reflow->temp_column_width < 50)
reflow->temp_column_width = 50;
if (old_width != reflow->temp_column_width) {
reflow->need_column_resize = TRUE;
gnome_canvas_item_request_update(item);
}
return TRUE;
} else {
GdkEventMotion *motion = (GdkEventMotion *) event;
double n_x, max_x;
n_x = motion->x;
n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
max_x = E_REFLOW_BORDER_WIDTH;
max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
if ( motion->y >= E_REFLOW_BORDER_WIDTH && motion->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > motion->x) {
if ( reflow->default_cursor_shown ) {
gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
reflow->default_cursor_shown = FALSE;
}
} else
if ( ! reflow->default_cursor_shown ) {
gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
reflow->default_cursor_shown = TRUE;
}
}
break;
case GDK_ENTER_NOTIFY:
if (!reflow->column_drag) {
GdkEventCrossing *crossing = (GdkEventCrossing *) event;
double n_x, max_x;
n_x = crossing->x;
n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
max_x = E_REFLOW_BORDER_WIDTH;
max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
if ( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > crossing->x) {
if ( reflow->default_cursor_shown ) {
gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
reflow->default_cursor_shown = FALSE;
}
}
}
break;
case GDK_LEAVE_NOTIFY:
if (!reflow->column_drag) {
GdkEventCrossing *crossing = (GdkEventCrossing *) event;
double n_x;
n_x = crossing->x;
n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
if ( !( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER ) ) {
if ( ! reflow->default_cursor_shown ) {
gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
reflow->default_cursor_shown = TRUE;
}
}
}
break;
default:
break;
}
if (return_val)
return return_val;
else if (GNOME_CANVAS_ITEM_CLASS( e_reflow_parent_class )->event)
return (* GNOME_CANVAS_ITEM_CLASS( e_reflow_parent_class )->event) (item, event);
else
return FALSE;
}
gboolean
on_screen_motion(GtkWidget * widget, GdkEventMotion * event,
gpointer user_data)
{
AppUIData *app_ui_data = (AppUIData *) user_data;
GtkAdjustment *adj;
gdouble value;
gint x, y;
gint dx, dy;
g_return_val_if_fail(app_ui_data != NULL, TRUE);
/* ignore event if button is not pressed, or page is rendering */
/* TODO could add test to ensure that document is loaded */
if (!PDF_FLAGS_IS_SET(app_ui_data->flags, PDF_FLAGS_BUTTON_DOWN)
|| pdf_viewer_is_rendering() ) {
return TRUE;
}
if (event->is_hint)
{
/* hint event, retrieve pointer location */
gdk_window_get_pointer(event->window, &x, &y, NULL);
}
else
{
/* use motion event coordinates */
x = (gint) event->x;
y = (gint) event->y;
}
/* calculate delta values */
dx = x - app_ui_data->lastx;
dy = y - app_ui_data->lasty;
if (!PDF_FLAGS_IS_SET(app_ui_data->flags, PDF_FLAGS_PANNING))
{
/* not panning yet, check if threshold exceeded */
if (ABS(dx) > PANNING_THRESHOLD || ABS(dy) > PANNING_THRESHOLD)
{
/* start panning */
PDF_FLAGS_SET(app_ui_data->flags, PDF_FLAGS_PANNING);
/* don't move just yet */
app_ui_data->lastx = x;
app_ui_data->lasty = y;
}
}
else
{
/* panning */
/* retrieve and set vertical adjustment, ensure that range is not
* exceeded */
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_ui_data->layout));
value = adj->value - (gdouble) dy;
if (value < adj->lower)
value = adj->lower;
else if (value > (adj->upper - adj->page_size))
value = adj->upper - adj->page_size;
gtk_adjustment_set_value(adj, value);
/* retrieve and set horizontal adjustment */
adj = gtk_layout_get_hadjustment(GTK_LAYOUT(app_ui_data->layout));
value = adj->value - (gdouble) dx;
if (value < adj->lower)
value = adj->lower;
else if (value > (adj->upper - adj->page_size))
value = adj->upper - adj->page_size;
gtk_adjustment_set_value(adj, value);
/* NOTE on_screen_scroll handler is invoked automatically when
* gtk_adjustment_set_value is called */
}
return FALSE;
}
void
html_engine_draw_cursor_in_area (HTMLEngine *engine,
gint x,
gint y,
gint width,
gint height)
{
HTMLObject *obj;
guint offset;
gint x1, y1, x2, y2, sc_x, sc_y;
GdkRectangle pos;
GtkAdjustment *hadj, *vadj;
if ((engine->editable || engine->caret_mode) && (engine->cursor_hide_count <= 0 && !engine->thaw_idle_id)) {
html_engine_draw_table_cursor (engine);
html_engine_draw_cell_cursor (engine);
html_engine_draw_image_cursor (engine);
}
if (!cursor_enabled || engine->cursor_hide_count > 0 || !(engine->editable || engine->caret_mode) || engine->thaw_idle_id)
return;
obj = engine->cursor->object;
if (obj == NULL || engine->window == NULL)
return;
offset = engine->cursor->offset;
if (width < 0 || height < 0) {
width = html_engine_get_doc_width (engine);
height = html_engine_get_doc_height (engine);
x = 0;
y = 0;
}
html_object_get_cursor (obj, engine->painter, offset, &x1, &y1, &x2, &y2);
while (obj) {
if (html_object_is_frame (obj)) {
x1 -= HTML_EMBEDDED (obj)->abs_x;
x2 -= HTML_EMBEDDED (obj)->abs_x;
y1 -= HTML_EMBEDDED (obj)->abs_y;
y2 -= HTML_EMBEDDED (obj)->abs_y;
break;
}
obj = obj->parent;
}
/* get scroll offset */
hadj = gtk_layout_get_hadjustment (GTK_LAYOUT (engine->widget));
vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (engine->widget));
sc_x = (gint) gtk_adjustment_get_value (hadj);
sc_y = (gint) gtk_adjustment_get_value (vadj);
pos.x = x1 - sc_x;
pos.y = y1 - sc_y;
pos.width = x2 - x1;
pos.height = y2 - y1;
gtk_im_context_set_cursor_location (GTK_HTML (engine->widget)->priv->im_context, &pos);
if (clip_cursor (engine, x, y, width, height, &x1, &y1, &x2, &y2)) {
cairo_t *cr;
gboolean using_painter_cr;
using_painter_cr = engine->painter &&
HTML_IS_GDK_PAINTER (engine->painter) &&
HTML_GDK_PAINTER (engine->painter)->cr != NULL;
if (using_painter_cr) {
HTMLGdkPainter *gdk_painter = HTML_GDK_PAINTER (engine->painter);
cr = gdk_painter->cr;
cairo_save (cr);
x1 -= gdk_painter->x1;
y1 -= gdk_painter->y1;
x2 -= gdk_painter->x1;
y2 -= gdk_painter->y1;
} else {
cr = gdk_cairo_create (engine->window);
}
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_set_operator (cr, CAIRO_OPERATOR_DIFFERENCE);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
cairo_move_to (cr, x1 + 0.5, y1 + 0.5);
cairo_line_to (cr, x2 + 0.5, y2 - 0.5);
cairo_set_line_width (cr, 1);
cairo_stroke (cr);
if (using_painter_cr)
cairo_restore (cr);
else
cairo_destroy (cr);
}
}
/* Callback for keypresses */
gboolean
key_press(GtkWidget * widget, GdkEventKey * event, gpointer data)
{
AppUIData *app_ui_data;
GtkAdjustment *adj = NULL;
GtkWidget *w = NULL;
app_ui_data = (AppUIData *) data;
app_ui_data->key_pressed = event->keyval;
switch (event->keyval)
{
/* F6 (or SELECT when file open) = toggle full screen mode */
case GDK_KP_Enter:
case GDK_Return:
if( !PDF_FLAGS_IS_SET(app_ui_data->flags,
PDF_FLAGS_SELECT_KEY_ALLOWED ) ||
pdf_viewer_get_num_pages() == 0 ) {
break;
}
PDF_FLAGS_UNSET(app_ui_data->flags, PDF_FLAGS_SELECT_KEY_ALLOWED);
case GDK_F6:
ui_toggle_fullscreen(app_ui_data,
!PDF_FLAGS_IS_SET(app_ui_data->flags, PDF_FLAGS_FULLSCREEN));
return TRUE;
case GDK_F4: // we only return for menu key
return FALSE;
case GDK_Escape:
return FALSE;
}
if( key_press_disabled(app_ui_data, event) ) {
return TRUE;
}
switch (event->keyval)
{
/* scrolling UP or LEFT is almost the same, just different
* GtkAdjustments */
/* UP = scroll up 20% */
case GDK_KP_Up:
case GDK_Up:
ui_hide_overlay_image(app_ui_data, app_ui_data->ovr_image_orig);//prasanna
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_ui_data->layout));
/* LEFT = scroll left 20% */
case GDK_KP_Left:
case GDK_Left:
ui_hide_overlay_image(app_ui_data, app_ui_data->ovr_image_orig);//prasanna
if (!adj) {
/* Ignore when no document loaded */
if( app_ui_data->app_data->state == PDF_VIEWER_STATE_EMPTY ) {
/*ui_show_banner(GTK_WIDGET(app_ui_data->app_view),
_("pdfv_ib_menu_not_available") );*/
return TRUE;
}
adj = gtk_layout_get_hadjustment(
GTK_LAYOUT(app_ui_data->layout));
}
/* If scroll is far left/top or page fits to screen then try to
move to previous page */
if ( adj->upper <= adj->page_size || adj->value == 0.0 ) {
w = gtk_ui_manager_get_widget(app_ui_data->ui_manager,
"/ToolBar/pdfv_me_menu_page_previous");
if ((w != NULL) && (GTK_WIDGET_IS_SENSITIVE(w))) {
on_page_previous(NULL, data);
adj = gtk_layout_get_vadjustment(GTK_LAYOUT (app_ui_data->layout));
gtk_adjustment_set_value(adj,adj->value + adj->upper - adj->page_size -0.0001);
} else {
if (pdf_viewer_get_current_page() == 1) {
ui_show_banner(GTK_WIDGET(app_ui_data->app_view),
_("pdfv_ib_first_page_reached"));
}
}
return TRUE;
}
/* scroll the page by 20% */
if (adj->lower <= adj->value - 0.2 * adj->page_size)
gtk_adjustment_set_value(adj,
adj->value - 0.2 * adj->page_size);
else
gtk_adjustment_set_value(adj, adj->lower);
return TRUE;
/* scrolling DOWN or RIGHT is almost the same, just different
* GtkAdjustments */
/* DOWN = scroll down 20% */
case GDK_KP_Down:
case GDK_Down:
ui_hide_overlay_image(app_ui_data, app_ui_data->ovr_image_orig);//prasanna
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_ui_data->layout));
/* RIGHT = scroll to the right 20% */
case GDK_KP_Right:
case GDK_Right:
ui_hide_overlay_image(app_ui_data, app_ui_data->ovr_image_orig);//prasanna
if( !adj ) {
adj = gtk_layout_get_hadjustment(GTK_LAYOUT(app_ui_data->layout));
/* Ignore when no document loaded */
if( app_ui_data->app_data->state == PDF_VIEWER_STATE_EMPTY ) {
/*ui_show_banner(GTK_WIDGET(app_ui_data->app_view),
_("pdfv_ib_menu_not_available") );*/
return TRUE;
}
}
if( adj->page_size < adj->upper &&
adj->value < ( adj->upper - adj->page_size ) ) {
/* scroll the page by 20% */
if (adj->value + adj->page_size * 0.2 <=
adj->upper - adj->page_size)
gtk_adjustment_set_value(adj,
adj->value + adj->page_size * 0.2);
else
gtk_adjustment_set_value(adj, adj->upper - adj->page_size);
/* Move more space to move, to next page */
} else {
on_page_next(NULL, data);
}
return TRUE;
case GDK_KP_Space:
case GDK_space:
ui_hide_overlay_image(app_ui_data, app_ui_data->ovr_image_orig);
adj = gtk_layout_get_vadjustment(GTK_LAYOUT(app_ui_data->layout));
if (event->state & GDK_SHIFT_MASK) {
/* scroll the page up by one screen-height, when Shift+Spacebar is pressed*/
if (adj->lower <= adj->value - adj->page_size)
gtk_adjustment_set_value(adj, adj->value - adj->page_size);
else
gtk_adjustment_set_value(adj, adj->lower);
}
else
{
/* scroll the page down by one screen-height, when Spacebar is pressed*/
if( adj->page_size < adj->upper &&
adj->value < ( adj->upper - adj->page_size ) ) {
if (adj->value + adj->page_size <= adj->upper - adj->page_size)
gtk_adjustment_set_value(adj, adj->value + adj->page_size);
else
gtk_adjustment_set_value(adj, adj->upper - adj->page_size);
}
}
return TRUE;
/* display infoprint when maximum or minimum zoom level has been
* reached. See Bugzilla 18393 */
/* F8 = zoom out */
case GDK_F8:
w = gtk_ui_manager_get_widget(app_ui_data->ui_manager,
"/ToolBar/pdfv_me_menu_screen_zoom_out");
if ((w != NULL) && (GTK_WIDGET_IS_SENSITIVE(w))) {
pdf_viewer_zoom(DOC_ZOOM_OUT);
} else if (pdf_viewer_get_zoom_percent() <= 50) {
ui_show_banner(GTK_WIDGET(app_ui_data->app_view),
_("pdfv_ib_minimum_zoom"));
}
return TRUE;
/* F7 = zoom in */
case GDK_F7:
w = gtk_ui_manager_get_widget(app_ui_data->ui_manager,
"/ToolBar/pdfv_me_menu_screen_zoom_in");
if ((w != NULL) && (GTK_WIDGET_IS_SENSITIVE(w))) {
pdf_viewer_zoom(DOC_ZOOM_IN);
} else if (pdf_viewer_get_zoom_percent() >= 400) {
ui_show_banner(GTK_WIDGET(app_ui_data->app_view),
_("pdfv_ib_maximum_zoom"));
}
return TRUE;
/*
* RETURN/SELECT = if no document present Open file dialog else
* full screen mode
case GDK_KP_Enter:
case GDK_Return:
if( !PDF_FLAGS_IS_SET(app_ui_data->flags,
PDF_FLAGS_SELECT_KEY_ALLOWED ) ) {
break;
}
PDF_FLAGS_UNSET(app_ui_data->flags, PDF_FLAGS_SELECT_KEY_ALLOWED);
if( (pdf_viewer_get_num_pages() != 0) ||
!(GTK_WIDGET_IS_SENSITIVE( gtk_ui_manager_get_widget
(app_ui_data->ui_manager,
"/MenuBar/pdfv_me_main_menu_document/"
"pdfv_me_menu_document_open")))) {
ui_toggle_fullscreen(app_ui_data,
!PDF_FLAGS_IS_SET( app_ui_data->flags,
PDF_FLAGS_FULLSCREEN));
}
return TRUE;
*/
default:
break;
}
return FALSE;
}
void init_stuff (int argc, char *argv[])
{
GtkWidget *w;
GList *dev_list;
GdkDevice *device;
GdkScreen *screen;
int i, j;
struct Brush *b;
gboolean can_xinput, success;
gchar *tmppath, *tmpfn;
// create some data structures needed to populate the preferences
ui.default_page.bg = g_new(struct Background, 1);
// initialize config file names
tmppath = g_build_filename(g_get_home_dir(), CONFIG_DIR, NULL);
mkdir(tmppath, 0700); // safer (MRU data may be confidential)
ui.mrufile = g_build_filename(tmppath, MRU_FILE, NULL);
ui.configfile = g_build_filename(tmppath, CONFIG_FILE, NULL);
g_free(tmppath);
// initialize preferences
init_config_default();
load_config_from_file();
ui.font_name = g_strdup(ui.default_font_name);
ui.font_size = ui.default_font_size;
ui.hiliter_alpha_mask = 0xffffff00 + (guint)(255*ui.hiliter_opacity);
// we need an empty canvas prior to creating the journal structures
canvas = GNOME_CANVAS (gnome_canvas_new_aa ());
// initialize data
ui.default_page.bg->canvas_item = NULL;
ui.layerbox_length = 0;
if (argc > 2 || (argc == 2 && argv[1][0] == '-')) {
printf(_("Invalid command line parameters.\n"
"Usage: %s [filename.xoj]\n"), argv[0]);
gtk_exit(0);
}
undo = NULL; redo = NULL;
journal.pages = NULL;
bgpdf.status = STATUS_NOT_INIT;
new_journal();
ui.cur_item_type = ITEM_NONE;
ui.cur_item = NULL;
ui.cur_path.coords = NULL;
ui.cur_path_storage_alloc = 0;
ui.cur_path.ref_count = 1;
ui.cur_widths = NULL;
ui.cur_widths_storage_alloc = 0;
ui.selection = NULL;
ui.cursor = NULL;
ui.pen_cursor_pix = ui.hiliter_cursor_pix = NULL;
ui.cur_brush = &(ui.brushes[0][ui.toolno[0]]);
for (j=0; j<=NUM_BUTTONS; j++)
for (i=0; i < NUM_STROKE_TOOLS; i++) {
b = &(ui.brushes[j][i]);
b->tool_type = i;
if (b->color_no>=0) {
b->color_rgba = predef_colors_rgba[b->color_no];
if (i == TOOL_HIGHLIGHTER) {
b->color_rgba &= ui.hiliter_alpha_mask;
}
}
b->thickness = predef_thickness[i][b->thickness_no];
}
for (i=0; i<NUM_STROKE_TOOLS; i++)
g_memmove(ui.default_brushes+i, &(ui.brushes[0][i]), sizeof(struct Brush));
ui.cur_mapping = 0;
ui.which_unswitch_button = 0;
ui.in_proximity = FALSE;
ui.warned_generate_fontconfig = FALSE;
reset_recognizer();
// initialize various interface elements
gtk_window_set_default_size(GTK_WINDOW (winMain), ui.window_default_width, ui.window_default_height);
if (ui.maximize_at_start) gtk_window_maximize(GTK_WINDOW (winMain));
update_toolbar_and_menu();
update_font_button();
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("journalApplyAllPages")), ui.bg_apply_all_pages);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("journalNewPageKeepsBG")), ui.new_page_bg_from_pdf);
if (ui.fullscreen) {
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("viewFullscreen")), TRUE);
gtk_toggle_tool_button_set_active(
GTK_TOGGLE_TOOL_BUTTON(GET_COMPONENT("buttonFullscreen")), TRUE);
gtk_window_fullscreen(GTK_WINDOW(winMain));
}
gtk_button_set_relief(GTK_BUTTON(GET_COMPONENT("buttonColorChooser")), GTK_RELIEF_NONE);
allow_all_accels();
add_scroll_bindings();
// prevent interface items from stealing focus
// glade doesn't properly handle can_focus, so manually set it
gtk_combo_box_set_focus_on_click(GTK_COMBO_BOX(GET_COMPONENT("comboLayer")), FALSE);
g_signal_connect(GET_COMPONENT("spinPageNo"), "activate",
G_CALLBACK(handle_activate_signal), NULL);
gtk_container_forall(GTK_CONTAINER(winMain), unset_flags, (gpointer)GTK_CAN_FOCUS);
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(canvas), GTK_CAN_FOCUS);
GTK_WIDGET_SET_FLAGS(GTK_WIDGET(GET_COMPONENT("spinPageNo")), GTK_CAN_FOCUS);
// install hooks on button/key/activation events to make the spinPageNo lose focus
gtk_container_forall(GTK_CONTAINER(winMain), install_focus_hooks, NULL);
// set up and initialize the canvas
gtk_widget_show (GTK_WIDGET (canvas));
w = GET_COMPONENT("scrolledwindowMain");
gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (canvas));
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (w), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_widget_set_events (GTK_WIDGET (canvas),
GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
GDK_PROXIMITY_IN_MASK | GDK_PROXIMITY_OUT_MASK);
gnome_canvas_set_pixels_per_unit (canvas, ui.zoom);
gnome_canvas_set_center_scroll_region (canvas, TRUE);
gtk_layout_get_hadjustment(GTK_LAYOUT (canvas))->step_increment = ui.scrollbar_step_increment;
gtk_layout_get_vadjustment(GTK_LAYOUT (canvas))->step_increment = ui.scrollbar_step_increment;
// set up the page size and canvas size
update_page_stuff();
g_signal_connect ((gpointer) canvas, "button_press_event",
G_CALLBACK (on_canvas_button_press_event),
NULL);
g_signal_connect ((gpointer) canvas, "button_release_event",
G_CALLBACK (on_canvas_button_release_event),
NULL);
g_signal_connect ((gpointer) canvas, "enter_notify_event",
G_CALLBACK (on_canvas_enter_notify_event),
NULL);
g_signal_connect ((gpointer) canvas, "leave_notify_event",
G_CALLBACK (on_canvas_leave_notify_event),
NULL);
g_signal_connect ((gpointer) canvas, "proximity_in_event",
G_CALLBACK (on_canvas_proximity_event),
NULL);
g_signal_connect ((gpointer) canvas, "proximity_out_event",
G_CALLBACK (on_canvas_proximity_event),
NULL);
g_signal_connect ((gpointer) canvas, "expose_event",
G_CALLBACK (on_canvas_expose_event),
NULL);
g_signal_connect ((gpointer) canvas, "key_press_event",
G_CALLBACK (on_canvas_key_press_event),
NULL);
g_signal_connect ((gpointer) canvas, "motion_notify_event",
G_CALLBACK (on_canvas_motion_notify_event),
NULL);
g_signal_connect ((gpointer) gtk_layout_get_vadjustment(GTK_LAYOUT(canvas)),
"value-changed", G_CALLBACK (on_vscroll_changed),
NULL);
g_signal_connect ((gpointer) gtk_layout_get_hadjustment(GTK_LAYOUT(canvas)),
"value-changed", G_CALLBACK (on_hscroll_changed),
NULL);
g_object_set_data (G_OBJECT (winMain), "canvas", canvas);
screen = gtk_widget_get_screen(winMain);
ui.screen_width = gdk_screen_get_width(screen);
ui.screen_height = gdk_screen_get_height(screen);
can_xinput = FALSE;
dev_list = gdk_devices_list();
while (dev_list != NULL) {
device = (GdkDevice *)dev_list->data;
if (device != gdk_device_get_core_pointer() && device->num_axes >= 2) {
/* get around a GDK bug: map the valuator range CORRECTLY to [0,1] */
#ifdef ENABLE_XINPUT_BUGFIX
gdk_device_set_axis_use(device, 0, GDK_AXIS_IGNORE);
gdk_device_set_axis_use(device, 1, GDK_AXIS_IGNORE);
#endif
gdk_device_set_mode(device, GDK_MODE_SCREEN);
if (g_strrstr(device->name, "raser"))
gdk_device_set_source(device, GDK_SOURCE_ERASER);
can_xinput = TRUE;
}
dev_list = dev_list->next;
}
if (!can_xinput)
gtk_widget_set_sensitive(GET_COMPONENT("optionsUseXInput"), FALSE);
ui.use_xinput = ui.allow_xinput && can_xinput;
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsProgressiveBG")), ui.progressive_bg);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsPrintRuling")), ui.print_ruling);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsAutoloadPdfXoj")), ui.autoload_pdf_xoj);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsAutosaveXoj")), ui.autosave_enabled);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsLeftHanded")), ui.left_handed);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsShortenMenus")), ui.shorten_menus);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsAutoSavePrefs")), ui.auto_save_prefs);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsButtonSwitchMapping")), ui.button_switch_mapping);
gtk_check_menu_item_set_active
(GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsLargePenCursor")), ui.large_pencursor);
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsPenCursor")), ui.pen_cursor);
hide_unimplemented();
update_undo_redo_enabled();
update_copy_paste_enabled();
update_vbox_order(ui.vertical_order[ui.fullscreen?1:0]);
gtk_widget_grab_focus(GTK_WIDGET(canvas));
// show everything...
gtk_widget_show (winMain);
update_cursor();
/* this will cause extension events to get enabled/disabled, but
we need the windows to be mapped first */
gtk_check_menu_item_set_active(
GTK_CHECK_MENU_ITEM(GET_COMPONENT("optionsUseXInput")), ui.use_xinput);
/* fix a bug in GTK+ 2.16 and 2.17: scrollbars shouldn't get extended
input events from pointer motion when cursor moves into main window */
if (!gtk_check_version(2, 16, 0)) {
g_signal_connect (
GET_COMPONENT("menubar"),
"event", G_CALLBACK (filter_extended_events),
NULL);
g_signal_connect (
GET_COMPONENT("toolbarMain"),
"event", G_CALLBACK (filter_extended_events),
NULL);
g_signal_connect (
GET_COMPONENT("toolbarPen"),
"event", G_CALLBACK (filter_extended_events),
NULL);
g_signal_connect (
GET_COMPONENT("statusbar"),
"event", G_CALLBACK (filter_extended_events),
NULL);
g_signal_connect (
(gpointer)(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(w))),
"event", G_CALLBACK (filter_extended_events),
NULL);
g_signal_connect (
(gpointer)(gtk_scrolled_window_get_hscrollbar(GTK_SCROLLED_WINDOW(w))),
"event", G_CALLBACK (filter_extended_events),
NULL);
}
// load the MRU
init_mru();
// and finally, open a file specified on the command line
// (moved here because display parameters weren't initialized yet...)
if (argc == 1) return;
set_cursor_busy(TRUE);
if (g_path_is_absolute(argv[1]))
tmpfn = g_strdup(argv[1]);
else {
tmppath = g_get_current_dir();
tmpfn = g_build_filename(tmppath, argv[1], NULL);
g_free(tmppath);
}
success = open_journal(tmpfn);
g_free(tmpfn);
set_cursor_busy(FALSE);
if (!success) {
w = gtk_message_dialog_new(GTK_WINDOW (winMain), GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Error opening file '%s'"), argv[1]);
gtk_dialog_run(GTK_DIALOG(w));
gtk_widget_destroy(w);
}
}