year-view: add initial ::draw impl
So far support RTL drawing. Missing: + Overflow indicators (this could be buttons) + selection borders drawing
This commit is contained in:
Erick Pérez Castellanos
+97
-167
@@ -111,10 +111,6 @@ static void gcal_year_view_forall (GtkContainer
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GtkCallback callback,
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gpointer callback_data);
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static void gcal_year_view_draw_grid (GcalYearView *view,
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cairo_t *cr,
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GtkAllocation *alloc,
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GtkBorder *padding);
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static icaltimetype* gcal_year_view_get_initial_date (GcalView *view);
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@@ -491,18 +487,113 @@ static gboolean
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gcal_year_view_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GcalYearViewPrivate *priv;
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GtkStyleContext *context;
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GtkStateFlags state;
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GtkBorder padding;
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GtkAllocation alloc;
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/* new declares */
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PangoLayout *layout;
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PangoFontDescription *font_desc;
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GdkRGBA color;
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gdouble cell_width, cell_height, sw;
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gint i, j, pos_x, pos_y;
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int font_width, font_height;
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priv = gcal_year_view_get_instance_private (GCAL_YEAR_VIEW (widget));
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gtk_widget_get_allocation (widget, &alloc);
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context = gtk_widget_get_style_context (widget);
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state = gtk_widget_get_state_flags (widget);
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layout = gtk_widget_create_pango_layout (widget, NULL);
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/* calculations */
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cell_width = alloc.width / 6.0;
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cell_height = alloc.height / 2.0;
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sw = 1 - 2 * priv->k;
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gtk_style_context_get_padding (context, state, &padding);
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gtk_widget_get_allocation (widget, &alloc);
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gtk_style_context_get (context, state, "font", &font_desc, NULL);
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gcal_year_view_draw_grid (GCAL_YEAR_VIEW (widget), cr, &alloc, &padding);
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pango_layout_set_font_description (layout, font_desc);
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for (i = 0; i < 12; i++)
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{
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gint column = i % 6;
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gint row = i / 6;
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j = 6 * ((i + 6 * priv->k) / 6) + sw * (i % 6) + (1 - priv->k);
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g_debug ("cell: %d numbered: %d: %s", i, j, gcal_get_month_name (j - 1));
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if (priv->date->month == j)
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{
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PangoLayout *clayout;
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PangoFontDescription *cfont_desc;
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "current");
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clayout = gtk_widget_create_pango_layout (widget, gcal_get_month_name (j - 1));
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gtk_style_context_get (context, state, "font", &cfont_desc, NULL);
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pango_layout_set_font_description (clayout, cfont_desc);
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pango_layout_get_pixel_size (clayout, &font_width, &font_height);
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/* FIXME: hardcoded padding of the number background */
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gtk_render_background (context, cr,
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cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width - 2.0,
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cell_height * (row + 1) - font_height - padding.bottom,
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font_width + 4, font_height + 2);
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gtk_render_layout (context, cr,
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cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width,
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cell_height * (row + 1) - font_height - padding.bottom,
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clayout);
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gtk_style_context_restore (context);
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pango_font_description_free (cfont_desc);
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g_object_unref (clayout);
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}
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else
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{
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pango_layout_set_text (layout, gcal_get_month_name (j - 1), -1);
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pango_layout_get_pixel_size (layout, &font_width, &font_height);
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gtk_render_layout (context, cr,
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cell_width * (column + 1 - priv->k) - sw * padding.right + (priv->k - 1) * font_width,
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cell_height * (row + 1) - font_height - padding.bottom,
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layout);
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}
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}
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pango_font_description_free (font_desc);
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/* FIXME: missing selected months lines */
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/* drawing grid skel */
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, "lines");
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gtk_style_context_get_color (context, state, &color);
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gdk_cairo_set_source_rgba (cr, &color);
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cairo_set_line_width (cr, 0.2);
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/* vertical lines */
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for (i = 0; i < 5; i++)
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{
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pos_x = cell_width * (i + 1);
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cairo_move_to (cr, pos_x + 0.4, 0);
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cairo_rel_line_to (cr, 0, alloc.height);
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}
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for (i = 0; i < 2; i++)
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{
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pos_y = (alloc.height / 2) * i;
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cairo_move_to (cr, 0, pos_y + 0.4);
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cairo_rel_line_to (cr, alloc.width, 0);
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}
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cairo_stroke (cr);
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gtk_style_context_restore (context);
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if (GTK_WIDGET_CLASS (gcal_year_view_parent_class)->draw != NULL)
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GTK_WIDGET_CLASS (gcal_year_view_parent_class)->draw (widget, cr);
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@@ -751,167 +842,6 @@ gcal_year_view_forall (GtkContainer *container,
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}
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}
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static void
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gcal_year_view_draw_grid (GcalYearView *view,
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cairo_t *cr,
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GtkAllocation *alloc,
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GtkBorder *padding)
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{
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GcalYearViewPrivate *priv;
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GtkWidget *widget;
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GtkStyleContext *context;
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GtkStateFlags state;
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GdkRGBA color;
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GdkRGBA ligther_color;
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GdkRGBA selected_color;
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GdkRGBA background_selected_color;
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GtkBorder header_padding;
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gint i, j;
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gint font_width;
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gint font_height;
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gdouble cell_width;
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gdouble cell_height;
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PangoLayout *layout;
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const PangoFontDescription *font;
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priv = gcal_year_view_get_instance_private (view);
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widget = GTK_WIDGET (view);
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cell_width = alloc->width / 6.0;
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cell_height = alloc->height / 2.0;
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/* fonts and colors selection */
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context = gtk_widget_get_style_context (widget);
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layout = pango_cairo_create_layout (cr);
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state = gtk_widget_get_state_flags (widget);
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gtk_style_context_get_color (context,
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state | GTK_STATE_FLAG_SELECTED,
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&selected_color);
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gtk_style_context_get_background_color (context,
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state | GTK_STATE_FLAG_SELECTED,
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&background_selected_color);
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gtk_style_context_get_color (context,
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state | GTK_STATE_FLAG_INSENSITIVE,
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&ligther_color);
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gtk_style_context_get_color (context, state, &color);
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gtk_style_context_get (context, state, "font", &font, NULL);
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gdk_cairo_set_source_rgba (cr, &color);
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pango_layout_set_font_description (layout, font);
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gtk_style_context_get_padding (context, state, &header_padding);
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/* drawing new-event mark */
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if (priv->start_mark_cell != -1 &&
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priv->end_mark_cell != -1)
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{
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gint first_cell;
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gint last_cell;
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gint rows;
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cairo_save (cr);
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if (priv->start_mark_cell < priv->end_mark_cell)
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{
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first_cell = priv->start_mark_cell;
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last_cell = priv->end_mark_cell;
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}
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else
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{
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first_cell = priv->end_mark_cell;
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last_cell = priv->start_mark_cell;
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}
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gdk_cairo_set_source_rgba (cr, &background_selected_color);
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for (rows = 0; rows < last_cell / 6 - first_cell / 6 + 1; rows++)
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{
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gint first_point;
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gint last_point;
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first_point = (rows == 0) ? first_cell : ((first_cell / 6) + rows) * 6;
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last_point = (rows == (last_cell / 6 - first_cell / 6)) ? last_cell : ((first_cell / 6) + rows) * 6 + 5;
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cairo_rectangle (cr,
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cell_width * ( first_point % 6),
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cell_height * ( first_point / 6) + 1,
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cell_width * (last_point - first_point + 1),
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cell_height);
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cairo_fill (cr);
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}
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cairo_restore (cr);
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}
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gdk_cairo_set_source_rgba (cr, &ligther_color);
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/* drawing grid text */
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for (i = 0; i < 2; i++)
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{
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for (j = 0; j < 6; j++)
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{
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if (priv->date->month == i * 6 + j + 1)
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{
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gdk_cairo_set_source_rgba (cr, &selected_color);
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}
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pango_layout_set_text (layout, gcal_get_month_name (i * 6 + j), -1);
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pango_cairo_update_layout (cr, layout);
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pango_layout_get_pixel_size (layout, &font_width, &font_height);
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cairo_move_to (cr,
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cell_width * j + header_padding.left,
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padding->top + i * cell_height);
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pango_cairo_show_layout (cr, layout);
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if (priv->date->month == i * 6 + j + 1)
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{
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gdk_cairo_set_source_rgba (cr, &ligther_color);
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}
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}
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}
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/* free the layout object */
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g_object_unref (layout);
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/* drawing grid skel */
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cairo_set_line_width (cr, 0.4);
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/* vertical lines */
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for (i = 0; i < 5; i++)
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{
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gint pos_x = cell_width * (i + 1);
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cairo_move_to (cr, pos_x + 0.3, 0);
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cairo_rel_line_to (cr, 0, alloc->height);
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}
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for (i = 0; i < 2; i++)
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{
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gint pos_y = (alloc->height / 2) * i;
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cairo_move_to (cr, 0, pos_y + 0.3);
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cairo_rel_line_to (cr, alloc->width, 0);
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}
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cairo_stroke (cr);
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/* drawing current month marker */
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gdk_cairo_set_source_rgba (cr, &selected_color);
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/* Two pixel line on the selected day cell */
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cairo_set_line_width (cr, 2.0);
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cairo_move_to (cr,
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cell_width * ( (priv->date->month - 1) % 6),
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cell_height * ( (priv->date->month - 1) / 6) + 1);
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cairo_rel_line_to (cr, cell_width, 0);
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cairo_stroke (cr);
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}
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/* GcalView Interface API */
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/**
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* gcal_year_view_get_initial_date:
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Block a user