shift+pageup/pagedown

5 files changed, 30 insertions, 9 deletions

diff --git a/.gitignore b/.gitignore
index c0347a5..2873bb0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ Release
 tags
 TAGS
 *.o
+*.out
 *.obj
 *.exe
 *.dll
diff --git a/buffer.c b/buffer.c
index 4ee4fbd..be0c07e 100644
--- a/buffer.c
+++ b/buffer.c
@@ -842,14 +842,6 @@ void buffer_scroll(TextBuffer *buffer, double dx, double dy) {
 	buffer_correct_scroll(buffer);
 }
 
-void buffer_page_up(TextBuffer *buffer, i64 npages) {
-	buffer_scroll(buffer, 0, (double)-npages * buffer_display_lines(buffer));
-}
-
-void buffer_page_down(TextBuffer *buffer, i64 npages) {
-	buffer_scroll(buffer, 0, (double)+npages * buffer_display_lines(buffer));
-}
-
 // returns the position of the character at the given position in the buffer.
 v2 buffer_pos_to_pixels(TextBuffer *buffer, BufferPos pos) {
 	u32 line = pos.line, index = pos.index;
@@ -1555,6 +1547,22 @@ void buffer_disable_selection(TextBuffer *buffer) {
 	}
 }
 
+void buffer_page_up(TextBuffer *buffer, i64 npages) {
+	buffer_scroll(buffer, 0, (double)-npages * buffer_display_lines(buffer));
+}
+
+void buffer_page_down(TextBuffer *buffer, i64 npages) {
+	buffer_scroll(buffer, 0, (double)+npages * buffer_display_lines(buffer));
+}
+
+void buffer_select_page_up(TextBuffer *buffer, i64 npages) {
+	buffer_select_up(buffer, npages * (i64)buffer_display_lines(buffer));
+}
+
+void buffer_select_page_down(TextBuffer *buffer, i64 npages) {
+	buffer_select_down(buffer, npages * (i64)buffer_display_lines(buffer));
+}
+
 static void buffer_shorten_line(Line *line, u32 new_len) {
 	assert(line->len >= new_len);
 	line->len = new_len; // @OPTIMIZE(memory): decrease line capacity
diff --git a/command.c b/command.c
index b55260d..eda57f0 100644
--- a/command.c
+++ b/command.c
@@ -182,6 +182,12 @@ void command_execute(Ted *ted, Command c, i64 argument) {
 	case CMD_PAGE_UP:
 		if (buffer) buffer_page_up(buffer, argument);
 		break;
+	case CMD_SELECT_PAGE_DOWN:
+		if (buffer) buffer_select_page_down(buffer, argument);
+		break;
+	case CMD_SELECT_PAGE_UP:
+		if (buffer) buffer_select_page_up(buffer, argument);
+		break;
 	
 	case CMD_OPEN:
 		menu_open(ted, MENU_OPEN);
diff --git a/command.h b/command.h
index 39f861d..e9faf71 100644
--- a/command.h
+++ b/command.h
@@ -26,7 +26,9 @@ ENUM_U16 {
 	CMD_SELECT_START_OF_FILE,
 	CMD_SELECT_END_OF_FILE,
 	CMD_SELECT_ALL, // select entire buffer
-
+	CMD_SELECT_PAGE_UP,
+	CMD_SELECT_PAGE_DOWN,
+	
 	// insertion
 	CMD_TAB, // insert '\t'
 	CMD_BACKTAB,
@@ -125,6 +127,8 @@ static CommandName const command_names[] = {
 	{"end-of-file", CMD_END_OF_FILE},
 	{"select-start-of-file", CMD_SELECT_START_OF_FILE},
 	{"select-end-of-file", CMD_SELECT_END_OF_FILE},
+	{"select-page-up", CMD_SELECT_PAGE_UP},
+	{"select-page-down", CMD_SELECT_PAGE_DOWN},
 	{"select-all", CMD_SELECT_ALL},
 	{"page-up", CMD_PAGE_UP},
 	{"page-down", CMD_PAGE_DOWN},
diff --git a/ted.cfg b/ted.cfg
index 7392494..1a006c5 100644
--- a/ted.cfg
+++ b/ted.cfg
@@ -88,6 +88,8 @@ Ctrl+Shift+Backspace = :backspace-word
 # scrolling
 PageUp = :page-up
 PageDown = :page-down
+Shift+PageUp = :select-page-up
+Shift+PageDown = :select-page-down
 
 Ctrl+o = :open
 Ctrl+n = :new