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Add ability to draw a text cursor for the entry

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Most of the call backs and procedures rely on the sheet being the one
in focus so prevent the entry being in focus. In doing this there is no
text cursor so add a draw function to draw one after the entry drawn.
Also remove the frame from the entry.
This commit is contained in:
Robert Fewell 2017-09-09 17:21:34 +01:00
parent fd0cc1fe7d
commit 1ed4f3d4d7
1 changed files with 59 additions and 0 deletions
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59
gnucash/register/register-gnome/gnucash-item-edit.c
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@ -333,6 +333,57 @@ unblock_toggle_signals(GncItemEdit *item_edit)
}
static gboolean
draw_text_cursor_cb (GtkWidget *widget, cairo_t *cr, gpointer user_data)
{
GtkEditable *editable = GTK_EDITABLE(widget);
GtkStyleContext *stylectxt = gtk_widget_get_style_context (GTK_WIDGET(widget));
gint height = gtk_widget_get_allocated_height (widget);
const gchar *text;
GdkRGBA *fg_color;
GdkRGBA color;
gint x_offset;
gint cursor_x = 0;
// Get the layout x offset
gtk_entry_get_layout_offsets (GTK_ENTRY(widget), &x_offset, NULL);
// Get the foreground color
gdk_rgba_parse (&color, "black");
gtk_style_context_get_color (stylectxt, GTK_STATE_FLAG_NORMAL, &color);
fg_color = &color;
text = gtk_entry_get_text (GTK_ENTRY (widget));
if ((text != NULL) && (*text != '\0'))
{
PangoLayout *layout;
PangoRectangle strong_pos;
gint start_pos, end_pos, cursor_pos, cursor_byte_pos;
cursor_pos = gtk_editable_get_position (editable);
cursor_byte_pos = g_utf8_offset_to_pointer (text, cursor_pos) - text;
gtk_editable_get_selection_bounds (editable, &start_pos, &end_pos);
layout = gtk_entry_get_layout (GTK_ENTRY(widget));
pango_layout_get_cursor_pos (layout, cursor_byte_pos, &strong_pos, NULL);
cursor_x = x_offset + PANGO_PIXELS (strong_pos.x);
}
else
cursor_x = x_offset;
// Now draw a vertical line
cairo_set_source_rgb (cr, fg_color->red, fg_color->green, fg_color->blue);
cairo_set_line_width (cr, 1.0);
cairo_move_to (cr, cursor_x + 0.5, 2);
cairo_rel_line_to (cr, 0, height - 4);
cairo_stroke (cr);
return FALSE;
}
static gboolean
draw_arrow_cb (GtkWidget *widget, cairo_t *cr, gpointer data)
{
@ -556,6 +607,14 @@ gnc_item_edit_new (GnucashSheet *sheet)
gtk_entry_set_width_chars (GTK_ENTRY(item_edit->editor), 1);
gtk_box_pack_start (GTK_BOX(item_edit), item_edit->editor, TRUE, TRUE, 0);
// Make sure the Entry can not have focus and no frame
gtk_widget_set_can_focus (GTK_WIDGET(item_edit->editor), FALSE);
gtk_entry_set_has_frame (GTK_ENTRY(item_edit->editor), FALSE);
// Connect to the draw signal so we can draw a cursor
g_signal_connect_after (item_edit->editor, "draw",
G_CALLBACK (draw_text_cursor_cb), NULL);
/* Force padding on the entry to align with the rest of the register this
is done in the gnucash.css file which should be in line with sheet.h */