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node editor: Add a quick way to save a testcase

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This commit is contained in:
Timm Bäder 2019-05-29 20:30:21 +02:00
parent 5675d585f4
commit 3874f37395
3 changed files with 204 additions and 0 deletions
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1
demos/node-editor/meson.build
View File

@ -13,6 +13,7 @@ executable('gtk4-node-editor',
node_editor_sources, node_editor_resources,
dependencies: libgtk_dep,
include_directories: confinc,
c_args: ['-DNODE_EDITOR_SOURCE_DIR="@0@/../../testsuite/gsk/compare/"'.format(meson.current_source_dir())],
gui_app: true,
link_args: extra_demo_ldflags,
install: false)

116
demos/node-editor/node-editor-window.c
View File

@ -25,6 +25,10 @@
#include "gsk/gskrendernodeparserprivate.h"
#ifndef NODE_EDITOR_SOURCE_DIR
#define NODE_EDITOR_SOURCE_DIR "." /* Fallback */
#endif
typedef struct
{
gsize start_chars;
@ -41,6 +45,12 @@ struct _NodeEditorWindow
GtkTextBuffer *text_buffer;
GtkTextTagTable *tag_table;
GtkWidget *testcase_popover;
GtkWidget *testcase_error_label;
GtkWidget *testcase_cairo_checkbutton;
GtkWidget *testcase_name_entry;
GtkWidget *testcase_save_button;
GtkWidget *renderer_listbox;
GListStore *renderers;
GdkPaintable *paintable;
@ -471,6 +481,39 @@ create_texture (NodeEditorWindow *self)
return texture;
}
static GdkTexture *
create_cairo_texture (NodeEditorWindow *self)
{
GdkPaintable *paintable;
GtkSnapshot *snapshot;
GskRenderer *renderer;
GskRenderNode *node;
GdkTexture *texture;
GdkSurface *surface;
paintable = gtk_picture_get_paintable (GTK_PICTURE (self->picture));
if (paintable == NULL ||
gdk_paintable_get_intrinsic_width (paintable) <= 0 ||
gdk_paintable_get_intrinsic_height (paintable) <= 0)
return NULL;
snapshot = gtk_snapshot_new ();
gdk_paintable_snapshot (paintable, snapshot, gdk_paintable_get_intrinsic_width (paintable), gdk_paintable_get_intrinsic_height (paintable));
node = gtk_snapshot_free_to_node (snapshot);
if (node == NULL)
return NULL;
surface = gtk_native_get_surface (gtk_widget_get_native (GTK_WIDGET (self)));
renderer = gsk_cairo_renderer_new ();
gsk_renderer_realize (renderer, surface, NULL);
texture = gsk_renderer_render_texture (renderer, node, NULL);
gsk_render_node_unref (node);
gsk_renderer_unrealize (renderer);
g_object_unref (renderer);
return texture;
}
static void
export_image_response_cb (GtkWidget *dialog,
gint response,
@ -527,6 +570,72 @@ export_image_cb (GtkWidget *button,
gtk_widget_show (dialog);
}
static void
testcase_name_entry_changed_cb (GtkWidget *button,
GParamSpec *pspec,
NodeEditorWindow *self)
{
const char *text = gtk_editable_get_text (GTK_EDITABLE (self->testcase_name_entry));
if (strlen (text) > 0)
gtk_widget_set_sensitive (self->testcase_save_button, TRUE);
else
gtk_widget_set_sensitive (self->testcase_save_button, FALSE);
}
static void
testcase_save_clicked_cb (GtkWidget *button,
NodeEditorWindow *self)
{
const char *testcase_name = gtk_editable_get_text (GTK_EDITABLE (self->testcase_name_entry));
char *source_dir = g_canonicalize_filename (NODE_EDITOR_SOURCE_DIR, NULL);
char *node_file_name;
char *node_file;
char *png_file_name;
char *png_file;
char *text = NULL;
GdkTexture *texture;
GError *error = NULL;
node_file_name = g_strconcat (testcase_name, ".node", NULL);
node_file = g_build_filename (source_dir, node_file_name, NULL);
g_free (node_file_name);
png_file_name = g_strconcat (testcase_name, ".png", NULL);
png_file = g_build_filename (source_dir, png_file_name, NULL);
g_free (png_file_name);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->testcase_cairo_checkbutton)))
texture = create_cairo_texture (self);
else
texture = create_texture (self);
if (!gdk_texture_save_to_png (texture, png_file))
{
gtk_label_set_label (GTK_LABEL (self->testcase_error_label),
"Could not save texture file");
goto out;
}
text = get_current_text (self->text_buffer);
if (!g_file_set_contents (node_file, text, -1, &error))
{
gtk_label_set_label (GTK_LABEL (self->testcase_error_label), error->message);
/* TODO: Remove texture file again? */
goto out;
}
gtk_editable_set_text (GTK_EDITABLE (self->testcase_name_entry), "");
gtk_popover_popdown (GTK_POPOVER (self->testcase_popover));
out:
g_free (text);
g_free (png_file);
g_free (node_file);
g_free (source_dir);
}
static void
node_editor_window_finalize (GObject *object)
{
@ -621,11 +730,18 @@ node_editor_window_class_init (NodeEditorWindowClass *class)
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, text_view);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, picture);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, renderer_listbox);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, testcase_popover);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, testcase_error_label);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, testcase_cairo_checkbutton);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, testcase_name_entry);
gtk_widget_class_bind_template_child (widget_class, NodeEditorWindow, testcase_save_button);
gtk_widget_class_bind_template_callback (widget_class, text_view_query_tooltip_cb);
gtk_widget_class_bind_template_callback (widget_class, open_cb);
gtk_widget_class_bind_template_callback (widget_class, save_cb);
gtk_widget_class_bind_template_callback (widget_class, export_image_cb);
gtk_widget_class_bind_template_callback (widget_class, testcase_save_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, testcase_name_entry_changed_cb);
}
static GtkWidget *

87
demos/node-editor/node-editor-window.ui
View File

@ -1,5 +1,81 @@
<?xml version="1.0" encoding="UTF-8"?>
<interface>
<object class="GtkPopover" id="testcase_popover">
<child>
<object class="GtkGrid">
<property name="column-spacing">12</property>
<property name="row-spacing">12</property>
<child>
<object class="GtkLabel">
<property name="label">Testcase Name:</property>
</object>
</child>
<child>
<object class="GtkEntry" id="testcase_name_entry">
<property name="hexpand">1</property>
<property name="activates-default">1</property>
<signal name="notify::text" handler="testcase_name_entry_changed_cb" />
</object>
</child>
<child>
<object class="GtkCheckButton" id="testcase_cairo_checkbutton">
<property name="label">Render using Cairo renderer</property>
<layout>
<property name="top-attach">1</property>
<property name="left-attach">0</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel">
<property name="wrap">1</property>
<property name="label">&lt;i&gt;There will be a .node and a .png file placed in the testsuite/gsk/compare directory. &lt;b&gt;You need to add it to the meson.build yourself.&lt;/b&gt;&lt;/i&gt;</property>
<property name="use-markup">1</property>
<property name="max-width-chars">50</property>
<layout>
<property name="top-attach">2</property>
<property name="left-attach">0</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkLabel" id="testcase_error_label">
<property name="wrap">1</property>
<property name="xalign">0</property>
<layout>
<property name="top-attach">3</property>
<property name="left-attach">0</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
<child>
<object class="GtkButton" id="testcase_save_button">
<property name="label">Save</property>
<property name="hexpand">1</property>
<property name="halign">end</property>
<property name="receives-default">1</property>
<property name="sensitive">0</property>
<signal name="clicked" handler="testcase_save_clicked_cb" />
<style>
<class name="suggested-action" />
</style>
<layout>
<property name="top-attach">4</property>
<property name="left-attach">0</property>
<property name="column-span">2</property>
</layout>
</object>
</child>
</object>
</child>
</object>
<template class="NodeEditorWindow" parent="GtkApplicationWindow">
<style>
<class name="devel"/>
@ -32,6 +108,17 @@
<signal name="clicked" handler="export_image_cb"/>
</object>
</child>
<child type="start">
<object class="GtkSeparator">
<property name="orientation">vertical</property>
</object>
</child>
<child type="start">
<object class="GtkMenuButton">
<property name="label">Save Testcase</property>
<property name="popover">testcase_popover</property>
</object>
</child>
<child type="title">
<object class="GtkLabel">
<property name="label" translatable="yes">GTK Node Editor</property>