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Implement resize command

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Syntax: resize <left|right|up|down> [+|-]<pixels>
This commit is contained in:
Michael Stapelberg 2009-09-26 17:18:50 +02:00
parent 7be41492c6
commit a55d0b77fe
3 changed files with 92 additions and 22 deletions
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8
include/resize.h
View File

@ -24,5 +24,13 @@ typedef enum { O_HORIZONTAL, O_VERTICAL } resize_orientation_t;
int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first,
int second, resize_orientation_t orientation,
xcb_button_press_event_t *event);
/**
* Resizes a column/row by the given amount of pixels. Called by
* resize_graphical_handler (the user clicked) or parse_resize_command (the
* user issued the command)
*
*/
void resize_container(xcb_connection_t *conn, Workspace *ws, int first, int second,
resize_orientation_t orientation, int pixels);
#endif

58
src/commands.c
View File

@ -29,6 +29,7 @@
#include "config.h"
#include "workspace.h"
#include "commands.h"
#include "resize.h"
bool focus_window_in_container(xcb_connection_t *conn, Container *container, direction_t direction) {
/* If this container is empty, we’re done */
@ -810,6 +811,55 @@ static void next_previous_workspace(xcb_connection_t *conn, int direction) {
workspace_show(conn, i+1);
}
static void parse_resize_command(xcb_connection_t *conn, Client *last_focused, const char *command) {
int first, second;
resize_orientation_t orientation = O_VERTICAL;
Container *con = last_focused->container;
if (STARTS_WITH(command, "left")) {
if (con->col == 0)
return;
first = con->col - 1;
second = con->col;
command += strlen("left");
} else if (STARTS_WITH(command, "right")) {
first = con->col + (con->colspan - 1);
LOG("column %d\n", first);
if (!cell_exists(first, con->row) ||
(first == (con->workspace->cols-1)))
return;
second = first + 1;
command += strlen("right");
} else if (STARTS_WITH(command, "top")) {
if (con->row == 0)
return;
first = con->row - 1;
second = con->row;
orientation = O_HORIZONTAL;
command += strlen("top");
} else if (STARTS_WITH(command, "bottom")) {
first = con->row + (con->rowspan - 1);
if (!cell_exists(con->col, first) ||
(first == (con->workspace->rows-1)))
return;
second = first + 1;
orientation = O_HORIZONTAL;
command += strlen("bottom");
} else {
LOG("Syntax: resize <left|right|up|down> [+|-]<pixels>\n");
return;
}
int pixels = atoi(command);
if (pixels == 0)
return;
resize_container(conn, con->workspace, first, second, orientation, pixels);
}
/*
* Parses a command, see file CMDMODE for more information
*
@ -889,6 +939,14 @@ void parse_command(xcb_connection_t *conn, const char *command) {
return;
}
if (STARTS_WITH(command, "resize ")) {
if (last_focused == NULL)
return;
const char *rest = command + strlen("resize ");
parse_resize_command(conn, last_focused, rest);
return;
}
/* Is it an <exit>? */
if (STARTS_WITH(command, "exit")) {
LOG("User issued exit-command, exiting without error.\n");

48
src/resize.c
View File

@ -126,14 +126,26 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
xcb_destroy_window(conn, grabwin);
xcb_flush(conn);
int pixels;
if (orientation == O_VERTICAL)
pixels = (new_position - event->root_x);
else pixels = (new_position - event->root_y);
resize_container(conn, ws, first, second, orientation, pixels);
return 1;
}
/*
* Resizes a column/row by the given amount of pixels. Called by
* resize_graphical_handler (the user clicked) or parse_resize_command (the
* user issued the command)
*
*/
void resize_container(xcb_connection_t *conn, Workspace *ws, int first, int second,
resize_orientation_t orientation, int pixels) {
/* TODO: refactor this, both blocks are very identical */
if (orientation == O_VERTICAL) {
LOG("Resize was from X = %d to X = %d\n", event->root_x, new_position);
if (event->root_x == new_position) {
LOG("Nothing changed, not updating anything\n");
return 1;
}
int default_width = ws->rect.width / ws->cols;
int old_unoccupied_x = get_unoccupied_x(ws);
@ -174,8 +186,8 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
LOG("middle = %f\n", ws->width_factor[first]);
int old_width = ws->width_factor[first] * old_unoccupied_x;
LOG("first->width = %d, new_position = %d, event->root_x = %d\n", old_width, new_position, event->root_x);
ws->width_factor[first] *= (float)(old_width + (new_position - event->root_x)) / old_width;
LOG("first->width = %d, pixels = %d\n", pixels);
ws->width_factor[first] *= (float)(old_width + pixels) / old_width;
LOG("-> %f\n", ws->width_factor[first]);
@ -184,20 +196,14 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
ws->width_factor[second] = ((float)ws->rect.width / ws->cols) / new_unoccupied_x;
LOG("middle = %f\n", ws->width_factor[second]);
old_width = ws->width_factor[second] * old_unoccupied_x;
LOG("second->width = %d, new_position = %d, event->root_x = %d\n", old_width, new_position, event->root_x);
ws->width_factor[second] *= (float)(old_width - (new_position - event->root_x)) / old_width;
LOG("second->width = %d, pixels = %d\n", pixels);
ws->width_factor[second] *= (float)(old_width - pixels) / old_width;
LOG("-> %f\n", ws->width_factor[second]);
LOG("new unoccupied_x = %d\n", get_unoccupied_x(ws));
LOG("\n\n\n");
} else {
LOG("Resize was from X = %d to X = %d\n", event->root_y, new_position);
if (event->root_y == new_position) {
LOG("Nothing changed, not updating anything\n");
return 1;
}
int default_height = ws->rect.height / ws->rows;
int old_unoccupied_y = get_unoccupied_y(ws);
@ -238,8 +244,8 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
LOG("middle = %f\n", ws->height_factor[first]);
int old_height = ws->height_factor[first] * old_unoccupied_y;
LOG("first->width = %d, new_position = %d, event->root_x = %d\n", old_height, new_position, event->root_y);
ws->height_factor[first] *= (float)(old_height + (new_position - event->root_y)) / old_height;
LOG("first->width = %d, pixels = %d\n", pixels);
ws->height_factor[first] *= (float)(old_height + pixels) / old_height;
LOG("-> %f\n", ws->height_factor[first]);
@ -248,8 +254,8 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
ws->height_factor[second] = ((float)ws->rect.height / ws->rows) / new_unoccupied_y;
LOG("middle = %f\n", ws->height_factor[second]);
old_height = ws->height_factor[second] * old_unoccupied_y;
LOG("second->width = %d, new_position = %d, event->root_x = %d\n", old_height, new_position, event->root_y);
ws->height_factor[second] *= (float)(old_height - (new_position - event->root_y)) / old_height;
LOG("second->width = %d, pixels = %d\n", pixels);
ws->height_factor[second] *= (float)(old_height - pixels) / old_height;
LOG("-> %f\n", ws->height_factor[second]);
LOG("new unoccupied_y = %d\n", get_unoccupied_y(ws));
@ -258,6 +264,4 @@ int resize_graphical_handler(xcb_connection_t *conn, Workspace *ws, int first, i
}
render_layout(conn);
return 1;
}