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	add crop-to-region in visual mode - gramscii - A simple editor for ASCII box-an…
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	---
	commit 47996e708ad2ab7e6a18633576c95e93d08e816a
	parent 6d34f883ba3ce2474df90432cc4aa387e9093321
	Author: KatolaZ <[email protected]>
	Date: Thu, 1 Aug 2019 08:02:33 +0100

	add crop-to-region in visual mode

	Diffstat:
	M draw.c \| 7 +++++++
	M gramscii.1 \| 4 ++++
	M gramscii.h \| 3 ++-
	M screen.c \| 2 +-

	4 files changed, 14 insertions(+), 2 deletions(-)
	---
	diff --git a/draw.c b/draw.c
	@@ -331,6 +331,13 @@ void visual_box(FILE *fc){
	modified = 1;
	goto vis_exit;
	break;
	+ case 'C':/* crop-to-region */
	+ copy_lines_to_ring(0, HEIGHT-1, PRV_STATE);
	+ crop_to_rect(MIN(x, orig_x), MIN(y, orig_y), M…
	+ copy_lines_to_ring(0, HEIGHT-1, NEW_STATE);
	+ modified = 1;
	+ goto vis_exit;
	+ break;
	}
	check_bound();
	set_video(VIDEO_NRM);
	diff --git a/gramscii.1 b/gramscii.1
	@@ -384,6 +384,10 @@ subsequent yank/cut commands.
	Fill region. gramscii will wait for a character on input and then will
	fill the highlighted region with that character.
	.TP 5m
	+.BI C
	+Crop-to-region. Crop the chart to the content of the highlighted region.
	+Everything else in the screen is erased.
	+.TP 5m
	.BI v
	leave
	.B visual
	diff --git a/gramscii.h b/gramscii.h
	@@ -71,7 +71,7 @@ typedef struct{
	#define progr_x(d) ((d) == DIR_L ? -1 : (d) == DIR_R ? 1 : 0)
	#define progr_y(d) ((d) == DIR_U ? -1 : (d) == DIR_D ? 1 : 0)

	-#define DEBUG 1
	+/ #define DEBUG 1 /

	/ global variables /

	@@ -139,6 +139,7 @@ void erase_line(int i);
	void erase_screen();
	void go_to(int where);
	void crop_to_nonblank();
	+void crop_to_rect();
	void erase_blank_lines(int y1, int y2);

	/ drawing-related functions /
	diff --git a/screen.c b/screen.c
	@@ -449,7 +449,7 @@ void crop_to_rect(int x1, int y1, int x2, int y2){
	sprintf(screen.l[i].s, "%s", screen.l[i+y1].s + x1);
	screen.l[i].lst = screen.l[i+y1].lst - x1;
	}
	- while (i<=y2){
	+ while (i< HEIGHT){
	screen.l[i].lst = -1;
	screen.l[i].s[0]= '\0';
	i ++;