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print: Reimplement collate preview

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Redo this with widgets instead of cairo drawing.
The new private widget is called GtkPageThumbnail.
This commit is contained in:
Matthias Clasen 2023-06-08 00:24:38 -04:00
parent f22788a3a8
commit 8497f97dec
5 changed files with 273 additions and 107 deletions
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158
gtk/print/gtkpagethumbnail.c Normal file
View File

@ -0,0 +1,158 @@
#include "config.h"
#include "gtkpagethumbnailprivate.h"
enum
{
PROP_PAGE_NUM = 1,
NUM_PROPERTIES,
};
static GParamSpec *properties[NUM_PROPERTIES] = { NULL, };
struct _GtkPageThumbnail
{
GtkWidget parent_instance;
GtkWidget *label;
int page_num;
};
struct _GtkPageThumbnailClass
{
GtkWidgetClass parent_class;
};
G_DEFINE_TYPE (GtkPageThumbnail, gtk_page_thumbnail, GTK_TYPE_WIDGET)
static void
gtk_page_thumbnail_init (GtkPageThumbnail *self)
{
self->label = gtk_inscription_new ("0");
gtk_widget_set_parent (self->label, GTK_WIDGET (self));
gtk_inscription_set_min_chars (GTK_INSCRIPTION (self->label), 1);
gtk_inscription_set_nat_chars (GTK_INSCRIPTION (self->label), 1);
}
static void
gtk_page_thumbnail_dispose (GObject *object)
{
GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
g_clear_pointer (&self->label, gtk_widget_unparent);
G_OBJECT_CLASS (gtk_page_thumbnail_parent_class)->dispose (object);
}
static void
gtk_page_thumbnail_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
switch (prop_id)
{
case PROP_PAGE_NUM:
gtk_page_thumbnail_set_page_num (self, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_page_thumbnail_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (object);
switch (prop_id)
{
case PROP_PAGE_NUM:
g_value_set_int (value, self->page_num);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_page_thumbnail_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
GtkPageThumbnail *self = GTK_PAGE_THUMBNAIL (widget);
GtkRequisition nat;
GtkAllocation alloc;
gtk_widget_get_preferred_size (self->label, NULL, &nat);
alloc.x = width - nat.width;
alloc.y = height - nat.height;
alloc.width = nat.width;
alloc.height = nat.height;
gtk_widget_size_allocate (self->label, &alloc, -1);
}
static void
gtk_page_thumbnail_class_init (GtkPageThumbnailClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
object_class->dispose = gtk_page_thumbnail_dispose;
object_class->set_property = gtk_page_thumbnail_set_property;
object_class->get_property = gtk_page_thumbnail_get_property;
widget_class->size_allocate = gtk_page_thumbnail_size_allocate;
properties[PROP_PAGE_NUM] =
g_param_spec_int ("page-num", NULL, NULL,
0, G_MAXINT, 0, G_PARAM_READWRITE);
g_object_class_install_properties (object_class, NUM_PROPERTIES, properties);
gtk_widget_class_set_css_name (widget_class, "page-thumbnail");
}
GtkPageThumbnail *
gtk_page_thumbnail_new (void)
{
return g_object_new (GTK_TYPE_PAGE_THUMBNAIL, NULL);
}
void
gtk_page_thumbnail_set_page_num (GtkPageThumbnail *self,
int page_num)
{
g_return_if_fail (GTK_IS_PAGE_THUMBNAIL (self));
g_return_if_fail (page_num >= 0);
char text[64];
if (self->page_num == page_num)
return;
self->page_num = page_num;
g_snprintf (text, sizeof (text), "%d", self->page_num);
gtk_inscription_set_text (GTK_INSCRIPTION (self->label), text);
gtk_widget_queue_draw (GTK_WIDGET (self));
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PAGE_NUM]);
}
int
gtk_page_thumbnail_get_page_num (GtkPageThumbnail *self)
{
g_return_val_if_fail (GTK_IS_PAGE_THUMBNAIL (self), 0);
return self->page_num;
}

12
gtk/print/gtkpagethumbnailprivate.h Normal file
View File

@ -0,0 +1,12 @@
#pragma once
#include <gtk/gtk.h>
#define GTK_TYPE_PAGE_THUMBNAIL (gtk_page_thumbnail_get_type ())
G_DECLARE_FINAL_TYPE (GtkPageThumbnail, gtk_page_thumbnail, GTK, PAGE_THUMBNAIL, GtkWidget)
GtkPageThumbnail * gtk_page_thumbnail_new (void);
void gtk_page_thumbnail_set_page_num (GtkPageThumbnail *self,
int page_num);
int gtk_page_thumbnail_get_page_num (GtkPageThumbnail *self);

165
gtk/print/gtkprintunixdialog.c
View File

@ -40,6 +40,7 @@
#include "gtkprinterprivate.h"
#include "gtkprinteroptionwidgetprivate.h"
#include "gtkprintutilsprivate.h"
#include "gtkpagethumbnailprivate.h"
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
@ -147,11 +148,6 @@ static void update_print_at_entry_sensitivity (GtkWidget *button,
GtkPrintUnixDialog *dialog);
static void update_print_at_option (GtkPrintUnixDialog *dialog);
static void update_dialog_from_capabilities (GtkPrintUnixDialog *dialog);
static void draw_collate (GtkDrawingArea *da,
cairo_t *cr,
int width,
int height,
gpointer data);
static gboolean is_printer_active (gpointer item,
gpointer data);
static int default_printer_list_sort_func (gconstpointer a,
@ -258,7 +254,11 @@ struct _GtkPrintUnixDialog
GtkWidget *copies_spin;
GtkWidget *collate_check;
GtkWidget *reverse_check;
GtkWidget *collate_image;
GtkWidget *page_collate_preview;
GtkWidget *page_a1;
GtkWidget *page_a2;
GtkWidget *page_b1;
GtkWidget *page_b2;
GtkWidget *page_layout_preview;
GtkWidget *scale_spin;
GtkWidget *page_set_combo;
@ -351,12 +351,48 @@ is_default_printer (GtkPrintUnixDialog *dialog,
return gtk_printer_is_default (printer);
}
static const char *css_data = ""
"page-thumbnail {\n"
" border: 1px solid #e6e5e4;\n"
" background: white;\n"
"}\n"
"page-thumbnail > label {\n"
" font-family: Sans;\n"
" font-size: 9pt;\n"
" color: #2e3436;\n"
"}\n";
static void
ensure_fallback_style (void)
{
GdkDisplay *display;
GtkCssProvider *provider;
display = gdk_display_get_default ();
if (!display)
return;
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_string (provider, css_data);
gtk_style_context_add_provider_for_display (display,
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_FALLBACK);
g_object_unref (provider);
}
static void
gtk_print_unix_dialog_class_init (GtkPrintUnixDialogClass *class)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
ensure_fallback_style ();
g_type_ensure (GTK_TYPE_PAGE_THUMBNAIL);
object_class = (GObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
@ -477,7 +513,11 @@ gtk_print_unix_dialog_class_init (GtkPrintUnixDialogClass *class)
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, copies_spin);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, collate_check);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, reverse_check);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, collate_image);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_collate_preview);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_a1);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_a2);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_b1);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_b2);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_layout_preview);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, scale_spin);
gtk_widget_class_bind_template_child (widget_class, GtkPrintUnixDialog, page_set_combo);
@ -857,20 +897,13 @@ gtk_print_unix_dialog_init (GtkPrintUnixDialog *dialog)
gtk_print_load_custom_papers (dialog->custom_paper_list);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (dialog->collate_image),
draw_collate,
dialog, NULL);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (dialog->page_layout_preview),
draw_page,
dialog, NULL);
gtk_css_node_set_name (gtk_widget_get_css_node (dialog->collate_image), g_quark_from_static_string ("drawing"));
gtk_css_node_set_name (gtk_widget_get_css_node (dialog->page_layout_preview), g_quark_from_static_string ("drawing"));
dialog->collate_paper_node = gtk_css_node_new();
gtk_css_node_set_name (dialog->collate_paper_node, g_quark_from_static_string ("paper"));
gtk_css_node_set_parent (dialog->collate_paper_node,
gtk_widget_get_css_node (dialog->collate_image));
g_object_unref (dialog->collate_paper_node);
dialog->page_layout_paper_node = gtk_css_node_new();
@ -1914,107 +1947,31 @@ static void
update_collate_icon (GtkToggleButton *toggle_button,
GtkPrintUnixDialog *dialog)
{
gtk_widget_queue_draw (dialog->collate_image);
}
static void
paint_page (GtkPrintUnixDialog *dialog,
GtkWidget *widget,
cairo_t *cr,
int x,
int y,
const char *text,
int text_x)
{
GtkCssStyle *style;
int width, height;
int text_y;
GdkRGBA color;
GtkSnapshot *snapshot;
GskRenderNode *node;
GtkCssBoxes boxes;
width = 20;
height = 26;
text_y = 21;
style = gtk_css_node_get_style (dialog->collate_paper_node);
snapshot = gtk_snapshot_new ();
gtk_css_boxes_init_border_box (&boxes, style, x, y, width, height);
gtk_css_style_snapshot_background (&boxes, snapshot);
gtk_css_style_snapshot_border (&boxes, snapshot);
node = gtk_snapshot_free_to_node (snapshot);
if (node)
{
gsk_render_node_draw (node, cr);
gsk_render_node_unref (node);
}
color = *gtk_css_color_value_get_rgba (style->core->color);
gdk_cairo_set_source_rgba (cr, &color);
cairo_select_font_face (cr, "Sans",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, 9);
cairo_move_to (cr, x + text_x, y + text_y);
cairo_show_text (cr, text);
}
static void
draw_collate (GtkDrawingArea *da,
cairo_t *cr,
int width,
int height,
gpointer data)
{
GtkPrintUnixDialog *dialog = GTK_PRINT_UNIX_DIALOG (data);
GtkWidget *widget = GTK_WIDGET (da);
gboolean collate, reverse, rtl;
gboolean collate;
gboolean reverse;
int copies;
int text_x;
int x, y, x1, x2, p1, p2;
collate = dialog_get_collate (dialog);
reverse = dialog_get_reverse (dialog);
copies = dialog_get_n_copies (dialog);
rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
x = (width - 30) / 2;
y = (height - 36) / 2;
if (rtl)
if (collate)
{
x1 = x;
x2 = x - 36;
p1 = 0;
p2 = 10;
text_x = 4;
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_a1), reverse ? 1 : 2);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_a2), reverse ? 2 : 1);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_b1), reverse ? 1 : 2);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_b2), reverse ? 2 : 1);
}
else
{
x1 = x;
x2 = x + 36;
p1 = 10;
p2 = 0;
text_x = 11;
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_a1), reverse ? 2 : 1);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_a2), reverse ? 2 : 1);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_b1), reverse ? 1 : 2);
gtk_page_thumbnail_set_page_num (GTK_PAGE_THUMBNAIL (dialog->page_b2), reverse ? 1 : 2);
}
if (copies == 1)
{
paint_page (dialog, widget, cr, x1 + p1, y, reverse ? "1" : "2", text_x);
paint_page (dialog, widget, cr, x1 + p2, y + 10, reverse ? "2" : "1", text_x);
}
else
{
paint_page (dialog, widget, cr, x1 + p1, y, collate == reverse ? "1" : "2", text_x);
paint_page (dialog, widget, cr, x1 + p2, y + 10, reverse ? "2" : "1", text_x);
paint_page (dialog, widget, cr, x2 + p1, y, reverse ? "1" : "2", text_x);
paint_page (dialog, widget, cr, x2 + p2, y + 10, collate == reverse ? "2" : "1", text_x);
}
gtk_widget_set_visible (dialog->page_b1, copies > 1);
gtk_widget_set_visible (dialog->page_b2, copies > 1);
}
static gboolean
@ -2264,7 +2221,7 @@ dialog_get_collate (GtkPrintUnixDialog *dialog)
{
if (gtk_widget_is_sensitive (dialog->collate_check))
return gtk_check_button_get_active (GTK_CHECK_BUTTON (dialog->collate_check));
return FALSE;
return TRUE;
}
static void

1
gtk/print/meson.build
View File

@ -31,6 +31,7 @@ if os_unix
gtk_unix_print_sources += files([
'gtkcustompaperunixdialog.c',
'gtkpagesetupunixdialog.c',
'gtkpagethumbnail.c',
'gtkprintbackend.c',
'gtkprinter.c',
'gtkprinteroption.c',

44
gtk/print/ui/gtkprintunixdialog.ui
View File

@ -340,9 +340,47 @@
</object>
</child>
<child>
<object class="GtkDrawingArea" id="collate_image">
<property name="content-width">70</property>
<property name="content-height">50</property>
<object class="GtkFixed" id="page_collate_preview">
<child>
<object class="GtkPageThumbnail" id="page_a1">
<property name="page-num">1</property>
<property name="width-request">32</property>
<property name="height-request">40</property>
<layout>
<property name="transform">translate(17, 0)</property>
</layout>
</object>
</child>
<child>
<object class="GtkPageThumbnail" id="page_a2">
<property name="page-num">2</property>
<property name="width-request">32</property>
<property name="height-request">40</property>
<layout>
<property name="transform">translate(0, 17)</property>
</layout>
</object>
</child>
<child>
<object class="GtkPageThumbnail" id="page_b1">
<property name="page-num">1</property>
<property name="width-request">32</property>
<property name="height-request">40</property>
<layout>
<property name="transform">translate(73, 0)</property>
</layout>
</object>
</child>
<child>
<object class="GtkPageThumbnail" id="page_b2">
<property name="page-num">2</property>
<property name="width-request">32</property>
<property name="height-request">40</property>
<layout>
<property name="transform">translate(56, 17)</property>
</layout>
</object>
</child>
<layout>
<property name="column">1</property>
<property name="row">1</property>