added mouse wheel scrolling + font face/size settings in toml configs

.gitignore

@@ -1,3 +1,4 @@
+glew.h
 phi-editor
 fmt.sh
 

cfg/config.go

@@ -112,6 +112,8 @@ type EditorConfig struct {
 	Match_Braces         bool
 	Maintain_Indentation bool
 	Highlight_Line       bool
+	Font_Face            string
+	Font_Size            int
 }
 
 func NewDefaultConfig() *TomlConfig {

cfg/macconfig.go

@@ -7,13 +7,26 @@ tabs_are_spaces = true
 match_braces = false
 maintain_indentation = true
 highlight_line = true
+font_face = "Courier New Bold"
+font_size = 20
 
 [render]
 aliased = true
 accelerated = true
 throttle_cpu_usage = true
-always_render = false
+always_render = true
 
+[theme]
+background = 0x002649
+foreground = 0xf2f4f6
+cursor = 0xf2f4f6
+cursor_invert = 0x000000
+
+[cursor]
+flash_rate = 400
+reset_delay = 400
+draw = true
+flash = true
 
 [file_associations]
 [file_associations.c]
@@ -29,7 +42,7 @@ match = [
 	"type", "import", "package", "func", "struct",
 	"append", "delete", "make", "for", "if", "while",
 	"switch", "select", "chan", "else", "var", "const",
-	"iota"
+	"iota", "case"
 ]
 
 [syntax.go.type]
@@ -42,8 +55,8 @@ match = [
 ]
 
 [syntax.go.comment]
-colouring = 0xff00ff
-pattern = "[\/]+.*"
+colouring = 0x4b79fc
+pattern = "[\\/]+.*"
 
 [syntax.go.symbol]
 colouring = 0xf0a400
@@ -68,18 +81,6 @@ match = [
 	"goto", "static", "extern", "const", "typedef",
 ]
 
-[theme]
-background = 0x002649
-foreground = 0xf2f4f6
-cursor = 0xf2f4f6
-cursor_invert = 0x000000
-
-[cursor]
-flash_rate = 400
-reset_delay = 400
-draw = true
-flash = true
-
 [commands]
 [commands.save]
 shortcut = "super+s"
@@ -88,5 +89,4 @@ shortcut = "super+s"
 shortcut = "super+w"
 
 [commands.delete_line]
-shortcut = "super+d"
-`
+shortcut = "super+d"`

cfg/windowsconfig.go

@@ -12,8 +12,7 @@ highlight_line = true
 aliased = true
 accelerated = true
 throttle_cpu_usage = true
-always_render = false
-
+always_render = true
 
 [file_associations]
 [file_associations.c]
@@ -29,7 +28,7 @@ match = [
 	"type", "import", "package", "func", "struct",
 	"append", "delete", "make", "for", "if", "while",
 	"switch", "select", "chan", "else", "var", "const",
-	"iota"
+	"iota", "case"
 ]
 
 [syntax.go.type]
@@ -42,8 +41,8 @@ match = [
 ]
 
 [syntax.go.comment]
-colouring = 0xff00ff
-pattern = "[\/]+.*"
+colouring = 0x4b79fc
+pattern = "[\\/]+.*"
 
 [syntax.go.symbol]
 colouring = 0xf0a400
@@ -88,5 +87,4 @@ shortcut = "ctrl+s"
 shortcut = "ctrl+w"
 
 [commands.delete_line]
-shortcut = "ctrl+d"
-`
+shortcut = "ctrl+d"`

gui/buffer.go

@@ -357,13 +357,16 @@ func (b *Buffer) swapLineDown() bool {
 }
 
 func (b *Buffer) scrollUp() {
-	// TODO move the cursor down 45 lines
-	// IF the buffer exceeds the window size.
-	lineScrollAmount := 10
-	b.cam.y -= lineScrollAmount
-	for i := 0; i < lineScrollAmount; i++ {
-		b.moveUp()
+	if b.cam.y > 0 {
+		// TODO move the cursor down 45 lines
+		// IF the buffer exceeds the window size.
+		lineScrollAmount := 10
+		b.cam.y -= lineScrollAmount
+		for i := 0; i < lineScrollAmount; i++ {
+			b.moveUp()
+		}
 	}
+
 }
 
 func (b *Buffer) scrollDown() {
@@ -625,6 +628,18 @@ func (b *Buffer) makeTab() string {
 	return string(blah)
 }
 
+func (b *Buffer) HandleEvent(evt strife.StrifeEvent) {
+	switch event := evt.(type) {
+	case *strife.MouseWheelEvent:
+		if event.Y > 0 {
+			b.scrollDown()
+		}
+		if event.Y < 0 {
+			b.scrollUp()
+		}
+	}
+}
+
 func (b *Buffer) OnUpdate() bool {
 	b.HasFocus = true
 

gui/component.go

@@ -18,6 +18,8 @@ type Component interface {
 	AddComponent(c Component)
 	GetComponents() []Component
 
+	HandleEvent(evt strife.StrifeEvent)
+
 	GetInputHandler() *InputHandler
 	SetInputHandler(h *InputHandler)
 }
@@ -30,6 +32,10 @@ type BaseComponent struct {
 	inputHandler  *InputHandler
 }
 
+func (b *BaseComponent) HandleEvent(evt strife.StrifeEvent) {
+	// NOP
+}
+
 func (b *BaseComponent) DeleteComponent(index int) {
 	b.components[index] = nil
 	b.numComponents--

gui/input.go

@@ -1,7 +1,20 @@
 package gui
 
-import "github.com/veandco/go-sdl2/sdl"
+import (
+	"github.com/felixangell/strife"
+	"github.com/veandco/go-sdl2/sdl"
+)
 
 type InputHandler struct {
 	Event sdl.Event
 }
+
+func HandleEvent(comp Component, evt strife.StrifeEvent) {
+	comp.HandleEvent(evt)
+	for _, child := range comp.GetComponents() {
+		if child == nil {
+			continue
+		}
+		child.HandleEvent(evt)
+	}
+}

main.go

@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"path"
 	"runtime"
 	"time"
 
@@ -23,6 +24,12 @@ type PhiEditor struct {
 	defaultFont *strife.Font
 }
 
+func (n *PhiEditor) handleEvent(evt strife.StrifeEvent) {
+	for _, comp := range n.GetComponents() {
+		gui.HandleEvent(comp, evt)
+	}
+}
+
 func (n *PhiEditor) init(cfg *cfg.TomlConfig) {
 	mainView := gui.NewView(1280, 720, cfg)
 
@@ -46,7 +53,22 @@ func (n *PhiEditor) init(cfg *cfg.TomlConfig) {
 
 	n.AddComponent(mainView)
 
-	font, err := strife.LoadFont("./res/firacode.ttf", 20)
+	// TODO put me somewhere else:
+	// also improve the font loading code
+	var fontFolder string
+
+	switch runtime.GOOS {
+	case "windows":
+		fontFolder = path.Join(os.Getenv("%WINDIR%"), "fonts")
+	case "darwin":
+		fontFolder = "/Library/Fonts/"
+	case "linux":
+		fontFolder = "/usr/share/fonts/"
+	}
+
+	fontPath := path.Join(fontFolder, cfg.Editor.Font_Face) + ".ttf"
+
+	font, err := strife.LoadFont(fontPath, cfg.Editor.Font_Size)
 	if err != nil {
 		panic(err)
 	}
@@ -91,6 +113,8 @@ func main() {
 		switch evt.(type) {
 		case *strife.CloseEvent:
 			window.Close()
+		default:
+			editor.handleEvent(evt)
 		}
 	})
 
@@ -111,10 +135,11 @@ func main() {
 
 		icon, err := strife.LoadImage("./res/icons/icon" + size + ".png")
 		if err != nil {
-			panic(err)
+			log.Println("Failed to load icon ", err.Error())
+		} else {
+			window.SetIconImage(icon)
+			defer icon.Destroy()
 		}
-		window.SetIconImage(icon)
-		defer icon.Destroy()
 	}
 
 	editor.init(&config)