WIP: obtained a window
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parent
dce3310970
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4b6383bf0c
32
include/ui.h
32
include/ui.h
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/*
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* Gem-graph OpenGL experiments
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*
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* Desc: User interface header
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*
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* Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
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* Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
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*
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* This file is part of Gem-graph.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <unistd.h>
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#include <gtk-4.0/gtk/gtk.h>
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extern float rotation_angles[N_AXIS];
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void on_activate(GtkApplication *app, gpointer user_data);
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@ -33,7 +33,7 @@
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#include <math.h>
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#include "../include/base.h"
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#include "../include/ui.h"
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#include "../include/window.h"
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#define VERTEX_SHADER_FILE "data/shader.vert"
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#define FRAG_SHADER_FILE "data/shader.frag"
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17
src/main.c
17
src/main.c
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@ -26,17 +26,26 @@
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#include <gtk-4.0/gtk/gtk.h>
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#include "../include/base.h"
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#include "../include/ui.h"
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#include "../include/window.h"
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#include "../include/application.h"
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/* -------------------------------------------------------------------------- */
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int main(int argc, char **argv)
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{
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GtkApplication *app;
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g_autoptr(GemGraphClientApplication) app = NULL;
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int res;
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app = gtk_application_new(NULL, G_APPLICATION_DEFAULT_FLAGS);
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g_signal_connect(app, "activate", G_CALLBACK(on_activate), NULL);
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// bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
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// bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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// textdomain (GETTEXT_PACKAGE);
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//app = gtk_application_new(NULL, G_APPLICATION_DEFAULT_FLAGS);
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app = gem_graph_client_application_new("org.alec.gemgraph",
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G_APPLICATION_DEFAULT_FLAGS);
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//g_signal_connect(app, "activate", G_CALLBACK(on_activate), NULL);
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res = g_application_run(G_APPLICATION(app), argc, argv);
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g_object_unref(app);
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191
src/ui.c
191
src/ui.c
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@ -1,191 +0,0 @@
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/*
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* Gem-graph OpenGL experiments
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*
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* Desc: User interface functions
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*
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* Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
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* Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
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*
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* This file is part of Gem-graph.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <unistd.h>
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#include <gtk-4.0/gtk/gtk.h>
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#include <glib-2.0/glib.h>
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#include "../include/base.h"
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#include "../include/graphics.h"
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/* -------------------------------------------------------------------------- */
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float rotation_angles[N_AXIS] = { 0.0 }; // Rotation angles on each axis
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static GtkWidget *gl_area = NULL;
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/* -------------------------------------------------------------------------- */
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static void on_axis_value_change(GtkAdjustment *adjustment, gpointer data);
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static inline GtkWidget *create_axis_slider(int axis)
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{
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GtkWidget *box, *label, *slider;
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GtkAdjustment *adj;
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const char *text;
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box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
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switch (axis) {
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case X_AXIS:
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text = "X";
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break;
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case Y_AXIS:
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text = "Y";
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break;
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case Z_AXIS:
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text = "Z";
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break;
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default:
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g_assert_not_reached();
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}
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label = gtk_label_new(text);
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gtk_box_append(GTK_BOX(box), label);
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gtk_widget_show(label);
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adj = gtk_adjustment_new(0.0, 0.0, 360.0, 1.0, 12.0, 0.0);
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g_signal_connect(adj, "value-changed",
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G_CALLBACK(on_axis_value_change),
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GINT_TO_POINTER(axis));
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slider = gtk_scale_new(GTK_ORIENTATION_HORIZONTAL, adj);
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gtk_box_append(GTK_BOX(box), slider);
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gtk_widget_set_hexpand(slider, TRUE);
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gtk_widget_show(slider);
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gtk_widget_show(box);
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return box;
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}
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/* -------------------------------------------------------------------------- */
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static void on_axis_value_change(GtkAdjustment *adjustment, gpointer data)
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{
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int axis = GPOINTER_TO_INT(data);
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g_assert(axis >= 0 && axis < N_AXIS);
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/* Update the rotation angle */
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rotation_angles[axis] = gtk_adjustment_get_value(adjustment);
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/* Update the contents of the GL drawing area */
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gtk_widget_queue_draw(gl_area);
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}
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static gboolean on_render(GtkGLArea * area, GdkGLContext * context)
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{
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if(gtk_gl_area_get_error(area) != NULL)
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return FALSE;
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graphicsDraw();
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return TRUE;
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}
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/* We need to set up our state when we realize the GtkGLArea widget */
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static void on_realize(GtkWidget *widget)
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{
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gtk_gl_area_make_current(GTK_GL_AREA(widget));
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if(gtk_gl_area_get_error(GTK_GL_AREA(widget)) != NULL)
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return;
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graphicsInitGL();
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}
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/* We should tear down the state when unrealizing */
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static void on_unrealize(GtkWidget *widget)
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{
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gtk_gl_area_make_current(GTK_GL_AREA(widget));
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if(gtk_gl_area_get_error(GTK_GL_AREA(widget)) != NULL)
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return;
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graphicsShutdownGL();
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}
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static void on_close_window(GtkWidget *widget)
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{
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/* Reset the state */
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gl_area = NULL;
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rotation_angles[X_AXIS] = 0.0;
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rotation_angles[Y_AXIS] = 0.0;
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rotation_angles[Z_AXIS] = 0.0;
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}
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void on_activate(GtkApplication *app, gpointer user_data)
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{
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GtkWidget *window, *box, *button, *controls;
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int i, minor=4, major=0;
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window = gtk_application_window_new(app);
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gtk_window_set_default_size(GTK_WINDOW(window), 400, 600);
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gtk_window_set_title(GTK_WINDOW(window), "GemGL (essais pour Gem-graph en OpenGL)");
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g_signal_connect(window, "destroy", G_CALLBACK(on_close_window), NULL);
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box = gtk_box_new(GTK_ORIENTATION_VERTICAL, FALSE);
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gtk_widget_set_margin_start(box, 12);
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gtk_widget_set_margin_end(box, 12);
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gtk_widget_set_margin_top(box, 12);
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gtk_widget_set_margin_bottom(box, 12);
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gtk_box_set_spacing(GTK_BOX(box), 6);
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gtk_window_set_child(GTK_WINDOW(window), box);
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gl_area = gtk_gl_area_new();
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gtk_gl_area_set_required_version( GTK_GL_AREA(gl_area), minor, major);
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gtk_gl_area_get_required_version( GTK_GL_AREA(gl_area), &minor, &major);
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gtk_widget_set_hexpand(gl_area, TRUE);
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gtk_widget_set_vexpand(gl_area, TRUE);
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gtk_widget_set_size_request(gl_area, 100, 200);
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gtk_box_append(GTK_BOX(box), gl_area);
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// We need to initialize and free GL resources, so we use
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// the realize and unrealize signals on the widget
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//
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g_signal_connect(gl_area, "realize", G_CALLBACK(on_realize), NULL);
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g_signal_connect(gl_area, "unrealize", G_CALLBACK(on_unrealize), NULL);
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// The main "draw" call for GtkGLArea
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g_signal_connect(gl_area, "render", G_CALLBACK(on_render), NULL);
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controls = gtk_box_new(GTK_ORIENTATION_VERTICAL, FALSE);
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gtk_box_append(GTK_BOX(box), controls);
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gtk_widget_set_hexpand(controls, TRUE);
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for(i = 0; i < N_AXIS; i++)
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gtk_box_append(GTK_BOX(controls), create_axis_slider(i));
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button = gtk_button_new_with_label("Fermer");
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gtk_widget_set_hexpand(button, TRUE);
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gtk_box_append(GTK_BOX(box), button);
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g_signal_connect_swapped(button, "clicked", G_CALLBACK(gtk_window_destroy), window);
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gtk_widget_show(window);
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}
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@ -4,7 +4,7 @@
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<!-- interface-name gem-graph.ui -->
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<requires lib="gtk" version="4.6"/>
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<requires lib="libadwaita" version="1.1"/>
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<template class="main" parent="GtkApplicationWindow">
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<template class="GemGraphClientWindow" parent="GtkApplicationWindow">
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<property name="default-height">720</property>
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<property name="default-width">1080</property>
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<property name="icon-name">application-x-executable</property>
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