我的設定有 3 個畫面：
- 中間：解析度為 2560x1440 的筆記型電腦螢幕
- 左右：解析度1920x1200的監視器螢幕
我設法在 Ubuntu 18.04 中使用 GUI（系統設定）來正確定位外部顯示器（字體比例為 1.5），但並不完全是我想要的。
完美的設定包括筆記型電腦螢幕的 200% 縮放和外部顯示器的不變縮放 (100%)。
我試圖弄清楚如何使用 xrandr 為我完成這項工作，但我迷失了。有熟悉 xrandr 的人可以幫我嗎？
這是 xrandr 的輸出：
Screen 0: minimum 320 x 200, current 6400 x 1440, maximum 8192 x 8192
eDP-1 connected primary 2560x1440+1920+0 (normal left inverted right x axis y axis) 309mm x 174mm
2560x1440 60.01*+ 59.99 59.99 59.96 59.95
1920x1440 60.00
1856x1392 60.01
1792x1344 60.01
2048x1152 59.99 59.98 59.90 59.91
1920x1200 59.88 59.95
1920x1080 60.01 59.97 59.96 59.93
1600x1200 60.00
1680x1050 59.95 59.88
1600x1024 60.17
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1440x900 59.89
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1360x768 59.80 59.96
1280x800 59.99 59.97 59.81 59.91
1152x864 60.00
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
800x512 60.17
700x525 59.98
800x450 59.95 59.82
640x512 60.02
720x450 59.89
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
680x384 59.80 59.96
640x400 59.88 59.98
576x432 60.06
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
DP-2-1 connected 1920x1200+0+54 (normal left inverted right x axis y axis) 518mm x 324mm
1920x1200 59.95*+
1600x1200 60.00
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.03 60.00
800x600 75.00 60.32
640x480 75.00 59.94
720x400 70.08
DP-2-2 connected 1920x1200+4480+0 (normal left inverted right x axis y axis) 519mm x 324mm
1920x1200 59.95*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.03 60.00
800x600 75.00 60.32
640x480 75.00 59.94
720x400 70.08
DP-2-3 disconnected (normal left inverted right x axis y axis)