From b238791002697efbda1ece31985ca15331511fa8 Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Wed, 1 Aug 2012 14:47:20 +0100
Subject: Use enum instead of magic numbers for tracking key modifier states. 
 Pass special keys to core (e.g. WORD_LEFT, SELECT_ALL, etc).

---
 framebuffer/fbtk/event.c | 37 ++++++++++++++++++++++++++++++++++---
 framebuffer/fbtk/text.c  | 24 ++++++++++++------------
 2 files changed, 46 insertions(+), 15 deletions(-)

(limited to 'framebuffer/fbtk')

diff --git a/framebuffer/fbtk/event.c b/framebuffer/fbtk/event.c
index 570c82929..67f930622 100644
--- a/framebuffer/fbtk/event.c
+++ b/framebuffer/fbtk/event.c
@@ -34,6 +34,7 @@
 #include "css/css.h"
 #include "desktop/browser.h"
 #include "desktop/plotters.h"
+#include "desktop/textinput.h"
 
 #include "framebuffer/gui.h"
 #include "framebuffer/fbtk.h"
@@ -292,16 +293,46 @@ static int sh_keymap[] = {
 
 /* exported function documented in fbtk.h */
 int
-fbtk_keycode_to_ucs4(int code, uint8_t mods)
+fbtk_keycode_to_ucs4(int code, fbtk_modifier_type mods)
 {
 	int ucs4 = -1;
 
-	if (mods) {
+	if (mods & FBTK_MOD_LSHIFT || mods & FBTK_MOD_RSHIFT) {
 		if ((code >= 0) && (code < (int) NOF_ELEMENTS(sh_keymap)))
 			ucs4 = sh_keymap[code];
-	} else {
+
+	} else if (mods == FBTK_MOD_CLEAR) {
 		if ((code >= 0) && (code < (int) NOF_ELEMENTS(keymap)))
 			ucs4 = keymap[code];
+
+	} else if (mods & FBTK_MOD_LCTRL || mods & FBTK_MOD_RCTRL) {
+		switch (code) {
+		case NSFB_KEY_a:
+			ucs4 = KEY_SELECT_ALL;
+			break;
+
+		case NSFB_KEY_c:
+			ucs4 = KEY_COPY_SELECTION;
+			break;
+
+		case NSFB_KEY_u:
+			ucs4 = KEY_CUT_LINE;
+			break;
+
+		case NSFB_KEY_v:
+			ucs4 = KEY_PASTE;
+			break;
+
+		case NSFB_KEY_x:
+			ucs4 = KEY_CUT_SELECTION;
+			break;
+
+		case NSFB_KEY_z:
+			ucs4 = KEY_CLEAR_SELECTION;
+			break;
+		default:
+			break;
+		}
 	}
 	return ucs4;
 }
diff --git a/framebuffer/fbtk/text.c b/framebuffer/fbtk/text.c
index 60a14e596..936f3d213 100644
--- a/framebuffer/fbtk/text.c
+++ b/framebuffer/fbtk/text.c
@@ -262,7 +262,7 @@ static int
 text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
 {
 	int value;
-	static uint8_t modifier = 0;
+	static fbtk_modifier_type modifier = FBTK_MOD_CLEAR;
 	char *temp;
 	plot_font_style_t font_style;
 	int fh;
@@ -284,19 +284,19 @@ text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
 	if (cbi->event->type != NSFB_EVENT_KEY_DOWN) {
 		switch (value) {
 		case NSFB_KEY_RSHIFT:
-			modifier &= ~1;
+			modifier &= ~FBTK_MOD_RSHIFT;
 			break;
 
 		case NSFB_KEY_LSHIFT:
-			modifier &= ~(1<<1);
+			modifier &= ~FBTK_MOD_LSHIFT;
 			break;
 
 		case NSFB_KEY_RCTRL:
-			modifier &= ~(1<<2);
+			modifier &= ~FBTK_MOD_RCTRL;
 			break;
 
 		case NSFB_KEY_LCTRL:
-			modifier &= ~(1<<3);
+			modifier &= ~FBTK_MOD_LCTRL;
 			break;
 
 		default:
@@ -328,7 +328,7 @@ text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
 
 	case NSFB_KEY_RIGHT:
 		if (widget->u.text.idx < widget->u.text.len) {
-			if (modifier == 0)
+			if (modifier == FBTK_MOD_CLEAR)
 				widget->u.text.idx++;
 			else
 				widget->u.text.idx = widget->u.text.len;
@@ -339,7 +339,7 @@ text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
 
 	case NSFB_KEY_LEFT:
 		if (widget->u.text.idx > 0) {
-			if (modifier == 0)
+			if (modifier == FBTK_MOD_CLEAR)
 				widget->u.text.idx--;
 			else
 				widget->u.text.idx = 0;
@@ -357,23 +357,23 @@ text_input(fbtk_widget_t *widget, fbtk_callback_info *cbi)
 		break;
 
 	case NSFB_KEY_RSHIFT:
-		modifier |= 1;
+		modifier |= FBTK_MOD_RSHIFT;
 		break;
 
 	case NSFB_KEY_LSHIFT:
-		modifier |= 1<<1;
+		modifier |= FBTK_MOD_LSHIFT;
 		break;
 
 	case NSFB_KEY_RCTRL:
-		modifier |= 1<<2;
+		modifier |= FBTK_MOD_RCTRL;
 		break;
 
 	case NSFB_KEY_LCTRL:
-		modifier |= 1<<3;
+		modifier |= FBTK_MOD_LCTRL;
 		break;
 
 	default:
-		if (modifier & 1<<2 || modifier & 1<<3) {
+		if (modifier & FBTK_MOD_LCTRL || modifier & FBTK_MOD_RCTRL) {
 			/* CTRL pressed, don't enter any text */
 			if (value == NSFB_KEY_u) {
 				/* CTRL+U: clear writable */
-- 
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