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scroll by one line in textlist

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to scroll by only one line, hold CONTROL key and scroll with
mouse wheel
This commit is contained in:
Cedric Roux
2016-07-27 13:05:46 +02:00
parent b07efe7a01
commit d62de525eb
4 changed files with 10 additions and 4 deletions
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common/utils/T/tracer/event_selector.c
+3
View File
@@ -34,11 +34,14 @@ static void scroll(void *private, gui *g,
int number_of_lines;
int new_line;
int inc;
int *d = notification_data;
int key_modifiers = *d;
textlist_state(g, w, &visible_lines, &start_line, &number_of_lines);
inc = 10;
if (inc > visible_lines - 2) inc = visible_lines - 2;
if (inc < 1) inc = 1;
if (key_modifiers & KEY_CONTROL) inc = 1;
if (!strcmp(notification, "scrollup")) inc = -inc;
new_line = start_line + inc;
common/utils/T/tracer/gui/gui.h
+2 -2
View File
@@ -83,8 +83,8 @@ int new_color(gui *gui, char *color);
/* notifications */
/* known notifications:
* - textlist:
* - scrollup { void *: NULL }
* - scrolldown { void *: NULL }
* - scrollup { int: key_modifiers }
* - scrolldown { int: key_modifiers }
* - click { int [2]: line, button }
* - label:
* - click { int: button } (if enabled)
common/utils/T/tracer/gui/textlist.c
+2 -2
View File
@@ -54,11 +54,11 @@ static void button(gui *_g, widget *_this, int x, int y,
x -= this->common.x;
/* scroll up */
if (button == 4 && up == 0) {
gui_notify(g, "scrollup", _this, NULL);
gui_notify(g, "scrollup", _this, &key_modifiers);
}
/* scroll down */
if (button == 5 && up == 0) {
gui_notify(g, "scrolldown", _this, NULL);
gui_notify(g, "scrolldown", _this, &key_modifiers);
}
/* button 1/2/3 click */
if (button >= 1 && button <= 3 && up == 0) {
common/utils/T/tracer/view/textlist.c
+3
View File
@@ -89,6 +89,8 @@ static void scroll(void *private, gui *g,
int number_of_lines;
int new_line;
int inc;
int *d = notification_data;
int key_modifiers = *d;
if (pthread_mutex_lock(&this->lock)) abort();
@@ -96,6 +98,7 @@ static void scroll(void *private, gui *g,
inc = 10;
if (inc > visible_lines - 2) inc = visible_lines - 2;
if (inc < 1) inc = 1;
if (key_modifiers & KEY_CONTROL) inc = 1;
if (!strcmp(notification, "scrollup")) inc = -inc;
new_line = start_line + inc;