396 lines
12 KiB
C
396 lines
12 KiB
C
#include "kernel/openbox.h"
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#include "kernel/dispatch.h"
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#include "kernel/action.h"
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#include "kernel/event.h"
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#include "kernel/client.h"
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#include "kernel/frame.h"
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#include "kernel/grab.h"
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#include "kernel/engine.h"
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#include "kernel/parse.h"
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#include "kernel/frame.h"
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#include "translate.h"
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#include "mouse.h"
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#include "mouseparse.h"
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#include <glib.h>
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static int threshold;
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static int dclicktime;
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static void parse_assign(char *name, ParseToken *value)
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{
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if (!g_ascii_strcasecmp(name, "dragthreshold")) {
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if (value->type != TOKEN_INTEGER)
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yyerror("invalid value");
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else {
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if (value->data.integer >= 0)
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threshold = value->data.integer;
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}
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} else if (!g_ascii_strcasecmp(name, "doubleclicktime")) {
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if (value->type != TOKEN_INTEGER)
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yyerror("invalid value");
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else {
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if (value->data.integer >= 0)
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dclicktime = value->data.integer;
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}
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} else
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yyerror("invalid option");
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parse_free_token(value);
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}
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void plugin_setup_config()
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{
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threshold = 3;
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dclicktime = 200;
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parse_reg_section("mouse", mouseparse, parse_assign);
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}
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/* Array of GSList*s of PointerBinding*s. */
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static GSList *bound_contexts[NUM_CONTEXTS];
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static void grab_for_client(Client *client, gboolean grab)
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{
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int i;
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GSList *it;
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for (i = 0; i < NUM_CONTEXTS; ++i)
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for (it = bound_contexts[i]; it != NULL; it = it->next) {
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/* grab/ungrab the button */
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MouseBinding *b = it->data;
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Window win;
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int mode;
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unsigned int mask;
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if (i == Context_Frame) {
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win = client->frame->window;
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mode = GrabModeAsync;
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mask = ButtonPressMask | ButtonMotionMask | ButtonReleaseMask;
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} else if (i == Context_Client) {
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win = client->frame->plate;
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mode = GrabModeSync; /* this is handled in event */
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mask = ButtonPressMask; /* can't catch more than this with Sync
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mode the release event is
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manufactured in event() */
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} else continue;
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if (grab)
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grab_button(b->button, b->state, win, mask, mode);
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else
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ungrab_button(b->button, b->state, win);
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}
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}
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static void grab_all_clients(gboolean grab)
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{
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GList *it;
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for (it = client_list; it != NULL; it = it->next)
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grab_for_client(it->data, grab);
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}
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static void clearall()
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{
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int i;
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GSList *it;
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for(i = 0; i < NUM_CONTEXTS; ++i) {
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for (it = bound_contexts[i]; it != NULL; it = it->next) {
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int j;
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MouseBinding *b = it->data;
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for (j = 0; j < NUM_MOUSEACTION; ++j)
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if (b->action[j] != NULL)
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action_free(b->action[j]);
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g_free(b);
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}
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g_slist_free(bound_contexts[i]);
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}
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}
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static void fire_button(MouseAction a, Context context, Client *c, guint state,
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guint button)
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{
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GSList *it;
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MouseBinding *b;
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for (it = bound_contexts[context]; it != NULL; it = it->next) {
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b = it->data;
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if (b->state == state && b->button == button)
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break;
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}
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/* if not bound, then nothing to do! */
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if (it == NULL) return;
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if (b->action[a] != NULL && b->action[a]->func != NULL) {
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b->action[a]->data.any.c = c;
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g_assert(!(b->action[a]->func == action_move ||
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b->action[a]->func == action_resize));
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b->action[a]->func(&b->action[a]->data);
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}
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}
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/* corner should be the opposite corner of the window in which the pointer
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clicked, Corner_TopLeft if a good default if there is no client
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Returns True or False for if a binding existed for the action or not.
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*/
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static gboolean fire_motion(MouseAction a, Context context, Client *c,
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guint state, guint button, int cx, int cy,
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int cw, int ch, int dx, int dy,
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gboolean final, Corner corner)
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{
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GSList *it;
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MouseBinding *b;
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for (it = bound_contexts[context]; it != NULL; it = it->next) {
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b = it->data;
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if (b->state == state && b->button == button)
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break;
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}
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/* if not bound, then nothing to do! */
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if (it == NULL) return FALSE;
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if (b->action[a] != NULL && b->action[a]->func != NULL) {
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b->action[a]->data.any.c = c;
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if (b->action[a]->func == action_move) {
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b->action[a]->data.move.x = cx + dx;
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b->action[a]->data.move.y = cy + dy;
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b->action[a]->data.move.final = final;
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} else if (b->action[a]->func == action_resize) {
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b->action[a]->data.resize.corner = corner;
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switch (corner) {
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case Corner_TopLeft:
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b->action[a]->data.resize.x = cw + dx;
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b->action[a]->data.resize.y = ch + dy;
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break;
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case Corner_TopRight:
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b->action[a]->data.resize.x = cw - dx;
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b->action[a]->data.resize.y = ch + dy;
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break;
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case Corner_BottomLeft:
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b->action[a]->data.resize.x = cw + dx;
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b->action[a]->data.resize.y = ch - dy;
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break;
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case Corner_BottomRight:
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b->action[a]->data.resize.x = cw - dx;
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b->action[a]->data.resize.y = ch - dy;
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break;
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}
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b->action[a]->data.resize.final = final;
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} else
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g_assert_not_reached();
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b->action[a]->func(&b->action[a]->data);
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return TRUE;
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}
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return FALSE;
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}
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static Corner pick_corner(int x, int y, int cx, int cy, int cw, int ch)
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{
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if (x - cx < cw / 2) {
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if (y - cy < ch / 2)
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return Corner_BottomRight;
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else
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return Corner_TopRight;
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} else {
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if (y - cy < ch / 2)
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return Corner_BottomLeft;
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else
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return Corner_TopLeft;
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}
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}
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static void event(ObEvent *e, void *foo)
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{
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static Time ltime;
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static int px, py, cx, cy, cw, ch, dx, dy;
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static guint button = 0, state = 0, lbutton = 0;
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static gboolean drag = FALSE, drag_used = FALSE;
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static Corner corner = Corner_TopLeft;
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gboolean click = FALSE;
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gboolean dclick = FALSE;
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Context context;
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switch (e->type) {
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case Event_Client_Mapped:
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grab_for_client(e->data.c.client, TRUE);
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break;
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case Event_Client_Destroy:
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grab_for_client(e->data.c.client, FALSE);
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break;
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case Event_X_ButtonPress:
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if (!button) {
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if (e->data.x.client != NULL) {
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cx = e->data.x.client->frame->area.x;
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cy = e->data.x.client->frame->area.y;
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/* use the client size because the frame can be differently
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sized (shaded windows) and we want this based on the clients
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size */
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cw = e->data.x.client->area.width +
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e->data.x.client->frame->size.left +
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e->data.x.client->frame->size.right;
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ch = e->data.x.client->area.height +
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e->data.x.client->frame->size.top +
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e->data.x.client->frame->size.bottom;
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px = e->data.x.e->xbutton.x_root;
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py = e->data.x.e->xbutton.y_root;
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corner = pick_corner(px, py, cx, cy, cw, ch);
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}
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button = e->data.x.e->xbutton.button;
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state = e->data.x.e->xbutton.state;
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}
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context = engine_get_context(e->data.x.client,
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e->data.x.e->xbutton.window);
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fire_button(MouseAction_Press, context,
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e->data.x.client, e->data.x.e->xbutton.state,
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e->data.x.e->xbutton.button);
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if (context == Context_Client) {
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/* Replay the event, so it goes to the client*/
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XAllowEvents(ob_display, ReplayPointer, event_lasttime);
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/* Fall through to the release case! */
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} else
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break;
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case Event_X_ButtonRelease:
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context = engine_get_context(e->data.x.client,
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e->data.x.e->xbutton.window);
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if (e->data.x.e->xbutton.button == button) {
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/* end drags */
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if (drag_used) {
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fire_motion(MouseAction_Motion, context,
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e->data.x.client, state, button,
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cx, cy, cw, ch, dx, dy, TRUE, corner);
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drag = drag_used = FALSE;
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lbutton = 0;
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} else {
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/* clicks are only valid if its released over the window */
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int junk;
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Window wjunk;
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guint ujunk, b, w, h;
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XGetGeometry(ob_display, e->data.x.e->xbutton.window,
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&wjunk, &junk, &junk, &w, &h, &b, &ujunk);
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if (e->data.x.e->xbutton.x >= (signed)-b &&
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e->data.x.e->xbutton.y >= (signed)-b &&
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e->data.x.e->xbutton.x < (signed)(w+b) &&
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e->data.x.e->xbutton.y < (signed)(h+b)) {
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click = TRUE;
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/* double clicks happen if there were 2 in a row! */
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if (lbutton == button &&
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e->data.x.e->xbutton.time - dclicktime <= ltime) {
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dclick = TRUE;
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lbutton = 0;
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} else
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lbutton = button;
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} else
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lbutton = 0;
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}
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button = 0;
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state = 0;
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ltime = e->data.x.e->xbutton.time;
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}
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fire_button(MouseAction_Release, context,
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e->data.x.client, e->data.x.e->xbutton.state,
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e->data.x.e->xbutton.button);
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if (click)
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fire_button(MouseAction_Click, context,
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e->data.x.client, e->data.x.e->xbutton.state,
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e->data.x.e->xbutton.button);
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if (dclick)
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fire_button(MouseAction_DClick, context,
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e->data.x.client, e->data.x.e->xbutton.state,
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e->data.x.e->xbutton.button);
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break;
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case Event_X_MotionNotify:
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if (button) {
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dx = e->data.x.e->xmotion.x_root - px;
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dy = e->data.x.e->xmotion.y_root - py;
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if (!drag &&
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(ABS(dx) >= threshold || ABS(dy) >= threshold))
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drag = TRUE;
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if (drag) {
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context = engine_get_context(e->data.x.client,
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e->data.x.e->xbutton.window);
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drag_used = fire_motion(MouseAction_Motion, context,
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e->data.x.client,
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state, button, cx, cy, cw, ch, dx, dy,
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FALSE, corner);
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}
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}
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break;
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default:
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g_assert_not_reached();
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}
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}
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gboolean mbind(char *buttonstr, char *contextstr, MouseAction mact,
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Action *action)
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{
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guint state, button;
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Context context;
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MouseBinding *b;
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GSList *it;
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if (!translate_button(buttonstr, &state, &button)) {
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g_warning("invalid button '%s'", buttonstr);
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return FALSE;
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}
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contextstr = g_ascii_strdown(contextstr, -1);
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context = frame_context_from_string(contextstr);
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if (!context) {
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g_warning("invalid context '%s'", contextstr);
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g_free(contextstr);
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return FALSE;
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}
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g_free(contextstr);
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for (it = bound_contexts[context]; it != NULL; it = it->next){
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b = it->data;
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if (b->state == state && b->button == button) {
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/* already bound */
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if (b->action[mact] != NULL) {
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g_warning("duplicate binding");
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return FALSE;
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}
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b->action[mact] = action;
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return TRUE;
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}
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}
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grab_all_clients(FALSE);
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/* add the binding */
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b = g_new0(MouseBinding, 1);
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b->state = state;
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b->button = button;
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b->action[mact] = action;
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bound_contexts[context] = g_slist_append(bound_contexts[context], b);
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grab_all_clients(TRUE);
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return TRUE;
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}
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void plugin_startup()
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{
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dispatch_register(Event_Client_Mapped | Event_Client_Destroy |
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Event_X_ButtonPress | Event_X_ButtonRelease |
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Event_X_MotionNotify, (EventHandler)event, NULL);
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}
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void plugin_shutdown()
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{
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dispatch_register(0, (EventHandler)event, NULL);
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grab_all_clients(FALSE);
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clearall();
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}
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