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/*
* Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#define DEFAULT_WINDOW_H 1280
void prop_string_set(const char *name, const char *value)
{
Display *d;
Atom a_name;
Atom a_UTF8;
XTextProperty xtp;
if (name == NULL || value == NULL || value[0] == '\0')
return;
d = XOpenDisplay(NULL);
if (d == NULL)
return;
a_name = XInternAtom(d, name, False);
if (a_name == None)
goto exit;
a_UTF8 = XInternAtom(d, "UTF8_STRING", False);
if (a_UTF8 == None)
goto exit;
xtp.value = (unsigned char *)value;
xtp.format = 8;
xtp.encoding = a_UTF8;
xtp.nitems = strlen(value);
XSetTextProperty(d, DefaultRootWindow(d), &xtp, a_name);
exit:
XCloseDisplay(d);
}
void prop_int_set(const char *name, unsigned int val)
{
Display *d;
Atom a_name;
if (name == NULL)
return;
d = XOpenDisplay(NULL);
if (d == NULL)
return;
a_name = XInternAtom(d, name, False);
if (a_name == None)
goto exit;
XChangeProperty(d, DefaultRootWindow(d), a_name, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *)&val, 1);
exit:
XCloseDisplay(d);
}
void set_window_scale(void)
{
double root_width = 0.0, root_height = 0.0;
char buf[128] = { 0, };
Display *disp;
int screen_num;
disp = XOpenDisplay(NULL);
if (disp == NULL)
return;
screen_num = DefaultScreen(disp);
root_width = DisplayWidth(disp, screen_num);
root_height = DisplayHeight(disp, screen_num);
XCloseDisplay(disp);
snprintf(buf, sizeof(buf), "%lf", root_height / DEFAULT_WINDOW_H);
if (root_width == 800 && root_height == 1280) {
snprintf(buf, sizeof(buf), "0.71");
}
setenv("ELM_SCALE", buf, 1);
setenv("SCALE_FACTOR", buf, 1);
}
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