Allow vertical display configuration

Closes #27

Author: fd0

cmd_apply.go

@@ -29,7 +29,7 @@ func ApplyRule(outputs Outputs, rule Rule) error {
 	var err error
 
 	switch {
-	case rule.ConfigureSingle != "" || len(rule.ConfigureRow) > 0:
+	case rule.ConfigureSingle != "" || len(rule.ConfigureRow) > 0 || len(rule.ConfigureColumn) > 0:
 		cmds, err = BuildCommandOutputRow(rule, outputs)
 	case rule.ConfigureCommand != "":
 		cmds = []*exec.Cmd{exec.Command("sh", "-c", rule.ConfigureCommand)}

cmd_rules.go

@@ -41,6 +41,7 @@ func (cmd CmdRules) Execute(args []string) error {
 			printList("Present", rule.OutputsPresent)
 			printList("Absent", rule.OutputsAbsent)
 			printList("ConfigureRow", rule.ConfigureRow)
+			printList("ConfigureColumn", rule.ConfigureColumn)
 			printOne("ConfigureSingle", rule.ConfigureSingle)
 			printOne("ConfigureCommand", rule.ConfigureCommand)
 			printList("ExecuteAfter", rule.ExecuteAfter)

doc/grobi.conf

@@ -49,6 +49,20 @@ rules:
     execute_after:
       - xautolock -enable
 
+  # This is a rule for another docking station.
+  - name: Docking Station at work
+    # grobi takes the list of all the
+    # outputs xrandr returns and verifies that DP2-2 and HDMI3 are present and
+    # connected.
+    outputs_connected: [DP2-2, HDMI3]
+
+    # when this rule matches, DP2-2 and HDMI3 are activated in their default
+    # resolution and set above one another.
+    # configuration: top is DP2-2, bottom is HDMI3
+    configure_column:
+        - DP2-2
+        - HDMI3
+
   # This is a rule for connecting the TV in the living room
   - name: TV
 

randr.go

@@ -492,12 +492,17 @@ func DetectOutputs() (Outputs, error) {
 // desired mode, e.g. LVDS1@1377x768.
 func BuildCommandOutputRow(rule Rule, current Outputs) ([]*exec.Cmd, error) {
 	var outputs []string
+	var row bool
 
 	switch {
 	case rule.ConfigureSingle != "":
 		outputs = []string{rule.ConfigureSingle}
 	case len(rule.ConfigureRow) > 0:
 		outputs = rule.ConfigureRow
+		row = true
+	case len(rule.ConfigureColumn) > 0:
+		outputs = rule.ConfigureColumn
+		row = false
 	default:
 		return nil, errors.New("empty monitor row configuration")
 	}
@@ -528,7 +533,11 @@ func BuildCommandOutputRow(rule Rule, current Outputs) ([]*exec.Cmd, error) {
 		}
 
 		if i > 0 {
-			args = append(args, "--right-of", lastOutput)
+			if row {
+				args = append(args, "--right-of", lastOutput)
+			} else {
+				args = append(args, "--below", lastOutput)
+			}
 		}
 
 		if rule.Primary == name {

rule.go

@@ -10,6 +10,7 @@ type Rule struct {
 	OutputsAbsent       []string `yaml:"outputs_absent"`
 
 	ConfigureRow     []string `yaml:"configure_row"`
+	ConfigureColumn  []string `yaml:"configure_column"`
 	ConfigureSingle  string   `yaml:"configure_single"`
 	ConfigureCommand string   `yaml:"configure_command"`