| /* vi:set ts=8 sts=4 sw=4: |
| * |
| * VIM - Vi IMproved by Bram Moolenaar |
| * Visual Workshop integration by Gordon Prieur |
| * |
| * Do ":help uganda" in Vim to read copying and usage conditions. |
| * Do ":help credits" in Vim to see a list of people who contributed. |
| * See README.txt for an overview of the Vim source code. |
| */ |
| |
| #include "vim.h" |
| |
| #if defined(FEAT_BEVAL) || defined(PROTO) |
| |
| /* |
| * Common code, invoked when the mouse is resting for a moment. |
| */ |
| void |
| general_beval_cb(beval, state) |
| BalloonEval *beval; |
| int state UNUSED; |
| { |
| #ifdef FEAT_EVAL |
| win_T *wp; |
| int col; |
| int use_sandbox; |
| linenr_T lnum; |
| char_u *text; |
| static char_u *result = NULL; |
| long winnr = 0; |
| char_u *bexpr; |
| buf_T *save_curbuf; |
| # ifdef FEAT_WINDOWS |
| win_T *cw; |
| # endif |
| #endif |
| static int recursive = FALSE; |
| |
| /* Don't do anything when 'ballooneval' is off, messages scrolled the |
| * windows up or we have no beval area. */ |
| if (!p_beval || balloonEval == NULL || msg_scrolled > 0) |
| return; |
| |
| /* Don't do this recursively. Happens when the expression evaluation |
| * takes a long time and invokes something that checks for CTRL-C typed. */ |
| if (recursive) |
| return; |
| recursive = TRUE; |
| |
| #ifdef FEAT_EVAL |
| if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK) |
| { |
| bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr |
| : wp->w_buffer->b_p_bexpr; |
| if (*bexpr != NUL) |
| { |
| # ifdef FEAT_WINDOWS |
| /* Convert window pointer to number. */ |
| for (cw = firstwin; cw != wp; cw = cw->w_next) |
| ++winnr; |
| # endif |
| |
| set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum); |
| set_vim_var_nr(VV_BEVAL_WINNR, winnr); |
| set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum); |
| set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1)); |
| set_vim_var_string(VV_BEVAL_TEXT, text, -1); |
| vim_free(text); |
| |
| /* |
| * Temporarily change the curbuf, so that we can determine whether |
| * the buffer-local balloonexpr option was set insecurely. |
| */ |
| save_curbuf = curbuf; |
| curbuf = wp->w_buffer; |
| use_sandbox = was_set_insecurely((char_u *)"balloonexpr", |
| *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL); |
| curbuf = save_curbuf; |
| if (use_sandbox) |
| ++sandbox; |
| ++textlock; |
| |
| vim_free(result); |
| result = eval_to_string(bexpr, NULL, TRUE); |
| |
| if (use_sandbox) |
| --sandbox; |
| --textlock; |
| |
| set_vim_var_string(VV_BEVAL_TEXT, NULL, -1); |
| if (result != NULL && result[0] != NUL) |
| { |
| gui_mch_post_balloon(beval, result); |
| recursive = FALSE; |
| return; |
| } |
| } |
| } |
| #endif |
| #ifdef FEAT_NETBEANS_INTG |
| if (bevalServers & BEVAL_NETBEANS) |
| netbeans_beval_cb(beval, state); |
| #endif |
| #ifdef FEAT_SUN_WORKSHOP |
| if (bevalServers & BEVAL_WORKSHOP) |
| workshop_beval_cb(beval, state); |
| #endif |
| |
| recursive = FALSE; |
| } |
| |
| /* on Win32 only get_beval_info() is required */ |
| #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| |
| #ifdef FEAT_GUI_GTK |
| # include <gdk/gdkkeysyms.h> |
| # include <gtk/gtk.h> |
| #else |
| # include <X11/keysym.h> |
| # ifdef FEAT_GUI_MOTIF |
| # include <Xm/PushB.h> |
| # include <Xm/Separator.h> |
| # include <Xm/List.h> |
| # include <Xm/Label.h> |
| # include <Xm/AtomMgr.h> |
| # include <Xm/Protocols.h> |
| # else |
| /* Assume Athena */ |
| # include <X11/Shell.h> |
| # ifdef FEAT_GUI_NEXTAW |
| # include <X11/neXtaw/Label.h> |
| # else |
| # include <X11/Xaw/Label.h> |
| # endif |
| # endif |
| #endif |
| |
| #include "gui_beval.h" |
| |
| #ifndef FEAT_GUI_GTK |
| extern Widget vimShell; |
| |
| /* |
| * Currently, we assume that there can be only one BalloonEval showing |
| * on-screen at any given moment. This variable will hold the currently |
| * showing BalloonEval or NULL if none is showing. |
| */ |
| static BalloonEval *current_beval = NULL; |
| #endif |
| |
| #ifdef FEAT_GUI_GTK |
| static void addEventHandler __ARGS((GtkWidget *, BalloonEval *)); |
| static void removeEventHandler __ARGS((BalloonEval *)); |
| static gint target_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); |
| static gint mainwin_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer)); |
| static void pointer_event __ARGS((BalloonEval *, int, int, unsigned)); |
| static void key_event __ARGS((BalloonEval *, unsigned, int)); |
| static gint timeout_cb __ARGS((gpointer)); |
| static gint balloon_expose_event_cb __ARGS((GtkWidget *, GdkEventExpose *, gpointer)); |
| #else |
| static void addEventHandler __ARGS((Widget, BalloonEval *)); |
| static void removeEventHandler __ARGS((BalloonEval *)); |
| static void pointerEventEH __ARGS((Widget, XtPointer, XEvent *, Boolean *)); |
| static void pointerEvent __ARGS((BalloonEval *, XEvent *)); |
| static void timerRoutine __ARGS((XtPointer, XtIntervalId *)); |
| #endif |
| static void cancelBalloon __ARGS((BalloonEval *)); |
| static void requestBalloon __ARGS((BalloonEval *)); |
| static void drawBalloon __ARGS((BalloonEval *)); |
| static void undrawBalloon __ARGS((BalloonEval *beval)); |
| static void createBalloonEvalWindow __ARGS((BalloonEval *)); |
| |
| |
| |
| /* |
| * Create a balloon-evaluation area for a Widget. |
| * There can be either a "mesg" for a fixed string or "mesgCB" to generate a |
| * message by calling this callback function. |
| * When "mesg" is not NULL it must remain valid for as long as the balloon is |
| * used. It is not freed here. |
| * Returns a pointer to the resulting object (NULL when out of memory). |
| */ |
| BalloonEval * |
| gui_mch_create_beval_area(target, mesg, mesgCB, clientData) |
| void *target; |
| char_u *mesg; |
| void (*mesgCB)__ARGS((BalloonEval *, int)); |
| void *clientData; |
| { |
| #ifndef FEAT_GUI_GTK |
| char *display_name; /* get from gui.dpy */ |
| int screen_num; |
| char *p; |
| #endif |
| BalloonEval *beval; |
| |
| if (mesg != NULL && mesgCB != NULL) |
| { |
| EMSG(_("E232: Cannot create BalloonEval with both message and callback")); |
| return NULL; |
| } |
| |
| beval = (BalloonEval *)alloc(sizeof(BalloonEval)); |
| if (beval != NULL) |
| { |
| #ifdef FEAT_GUI_GTK |
| beval->target = GTK_WIDGET(target); |
| beval->balloonShell = NULL; |
| beval->timerID = 0; |
| #else |
| beval->target = (Widget)target; |
| beval->balloonShell = NULL; |
| beval->timerID = (XtIntervalId)NULL; |
| beval->appContext = XtWidgetToApplicationContext((Widget)target); |
| #endif |
| beval->showState = ShS_NEUTRAL; |
| beval->x = 0; |
| beval->y = 0; |
| beval->msg = mesg; |
| beval->msgCB = mesgCB; |
| beval->clientData = clientData; |
| |
| /* |
| * Set up event handler which will keep its eyes on the pointer, |
| * and when the pointer rests in a certain spot for a given time |
| * interval, show the beval. |
| */ |
| addEventHandler(beval->target, beval); |
| createBalloonEvalWindow(beval); |
| |
| #ifndef FEAT_GUI_GTK |
| /* |
| * Now create and save the screen width and height. Used in drawing. |
| */ |
| display_name = DisplayString(gui.dpy); |
| p = strrchr(display_name, '.'); |
| if (p != NULL) |
| screen_num = atoi(++p); |
| else |
| screen_num = 0; |
| beval->screen_width = DisplayWidth(gui.dpy, screen_num); |
| beval->screen_height = DisplayHeight(gui.dpy, screen_num); |
| #endif |
| } |
| |
| return beval; |
| } |
| |
| #if defined(FEAT_BEVAL_TIP) || defined(PROTO) |
| /* |
| * Destroy a balloon-eval and free its associated memory. |
| */ |
| void |
| gui_mch_destroy_beval_area(beval) |
| BalloonEval *beval; |
| { |
| cancelBalloon(beval); |
| removeEventHandler(beval); |
| /* Children will automatically be destroyed */ |
| # ifdef FEAT_GUI_GTK |
| gtk_widget_destroy(beval->balloonShell); |
| # else |
| XtDestroyWidget(beval->balloonShell); |
| # endif |
| vim_free(beval); |
| } |
| #endif |
| |
| void |
| gui_mch_enable_beval_area(beval) |
| BalloonEval *beval; |
| { |
| if (beval != NULL) |
| addEventHandler(beval->target, beval); |
| } |
| |
| void |
| gui_mch_disable_beval_area(beval) |
| BalloonEval *beval; |
| { |
| if (beval != NULL) |
| removeEventHandler(beval); |
| } |
| |
| #if defined(FEAT_BEVAL_TIP) || defined(PROTO) |
| /* |
| * This function returns the BalloonEval * associated with the currently |
| * displayed tooltip. Returns NULL if there is no tooltip currently showing. |
| * |
| * Assumption: Only one tooltip can be shown at a time. |
| */ |
| BalloonEval * |
| gui_mch_currently_showing_beval() |
| { |
| return current_beval; |
| } |
| #endif |
| #endif /* !FEAT_GUI_W32 */ |
| |
| #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| || defined(FEAT_EVAL) || defined(PROTO) |
| /* |
| * Get the text and position to be evaluated for "beval". |
| * If "getword" is true the returned text is not the whole line but the |
| * relevant word in allocated memory. |
| * Returns OK or FAIL. |
| */ |
| int |
| get_beval_info(beval, getword, winp, lnump, textp, colp) |
| BalloonEval *beval; |
| int getword; |
| win_T **winp; |
| linenr_T *lnump; |
| char_u **textp; |
| int *colp; |
| { |
| win_T *wp; |
| int row, col; |
| char_u *lbuf; |
| linenr_T lnum; |
| |
| *textp = NULL; |
| row = Y_2_ROW(beval->y); |
| col = X_2_COL(beval->x); |
| #ifdef FEAT_WINDOWS |
| wp = mouse_find_win(&row, &col); |
| #else |
| wp = firstwin; |
| #endif |
| if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp)) |
| { |
| /* Found a window and the cursor is in the text. Now find the line |
| * number. */ |
| if (!mouse_comp_pos(wp, &row, &col, &lnum)) |
| { |
| /* Not past end of the file. */ |
| lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE); |
| if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL)) |
| { |
| /* Not past end of line. */ |
| if (getword) |
| { |
| /* For Netbeans we get the relevant part of the line |
| * instead of the whole line. */ |
| int len; |
| pos_T *spos = NULL, *epos = NULL; |
| |
| if (VIsual_active) |
| { |
| if (lt(VIsual, curwin->w_cursor)) |
| { |
| spos = &VIsual; |
| epos = &curwin->w_cursor; |
| } |
| else |
| { |
| spos = &curwin->w_cursor; |
| epos = &VIsual; |
| } |
| } |
| |
| col = vcol2col(wp, lnum, col) - 1; |
| |
| if (VIsual_active |
| && wp->w_buffer == curwin->w_buffer |
| && (lnum == spos->lnum |
| ? col >= (int)spos->col |
| : lnum > spos->lnum) |
| && (lnum == epos->lnum |
| ? col <= (int)epos->col |
| : lnum < epos->lnum)) |
| { |
| /* Visual mode and pointing to the line with the |
| * Visual selection: return selected text, with a |
| * maximum of one line. */ |
| if (spos->lnum != epos->lnum || spos->col == epos->col) |
| return FAIL; |
| |
| lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE); |
| lbuf = vim_strnsave(lbuf + spos->col, |
| epos->col - spos->col + (*p_sel != 'e')); |
| lnum = spos->lnum; |
| col = spos->col; |
| } |
| else |
| { |
| /* Find the word under the cursor. */ |
| ++emsg_off; |
| len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf, |
| FIND_IDENT + FIND_STRING + FIND_EVAL); |
| --emsg_off; |
| if (len == 0) |
| return FAIL; |
| lbuf = vim_strnsave(lbuf, len); |
| } |
| } |
| |
| *winp = wp; |
| *lnump = lnum; |
| *textp = lbuf; |
| *colp = col; |
| beval->ts = wp->w_buffer->b_p_ts; |
| return OK; |
| } |
| } |
| } |
| |
| return FAIL; |
| } |
| |
| # if !defined(FEAT_GUI_W32) || defined(PROTO) |
| |
| /* |
| * Show a balloon with "mesg". |
| */ |
| void |
| gui_mch_post_balloon(beval, mesg) |
| BalloonEval *beval; |
| char_u *mesg; |
| { |
| beval->msg = mesg; |
| if (mesg != NULL) |
| drawBalloon(beval); |
| else |
| undrawBalloon(beval); |
| } |
| # endif /* FEAT_GUI_W32 */ |
| #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ |
| |
| #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| #if defined(FEAT_BEVAL_TIP) || defined(PROTO) |
| /* |
| * Hide the given balloon. |
| */ |
| void |
| gui_mch_unpost_balloon(beval) |
| BalloonEval *beval; |
| { |
| undrawBalloon(beval); |
| } |
| #endif |
| |
| #ifdef FEAT_GUI_GTK |
| /* |
| * We can unconditionally use ANSI-style prototypes here since |
| * GTK+ requires an ANSI C compiler anyway. |
| */ |
| static void |
| addEventHandler(GtkWidget *target, BalloonEval *beval) |
| { |
| /* |
| * Connect to the generic "event" signal instead of the individual |
| * signals for each event type, because the former is emitted earlier. |
| * This allows us to catch events independently of the signal handlers |
| * in gui_gtk_x11.c. |
| */ |
| /* Should use GTK_OBJECT() here, but that causes a lint warning... */ |
| gtk_signal_connect((GtkObject*)(target), "event", |
| GTK_SIGNAL_FUNC(target_event_cb), |
| beval); |
| /* |
| * Nasty: Key press events go to the main window thus the drawing area |
| * will never see them. This means we have to connect to the main window |
| * as well in order to catch those events. |
| */ |
| if (gtk_socket_id == 0 && gui.mainwin != NULL |
| && gtk_widget_is_ancestor(target, gui.mainwin)) |
| { |
| gtk_signal_connect((GtkObject*)(gui.mainwin), "event", |
| GTK_SIGNAL_FUNC(mainwin_event_cb), |
| beval); |
| } |
| } |
| |
| static void |
| removeEventHandler(BalloonEval *beval) |
| { |
| /* LINTED: avoid warning: dubious operation on enum */ |
| gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| GTK_SIGNAL_FUNC(target_event_cb), |
| beval); |
| |
| if (gtk_socket_id == 0 && gui.mainwin != NULL |
| && gtk_widget_is_ancestor(beval->target, gui.mainwin)) |
| { |
| /* LINTED: avoid warning: dubious operation on enum */ |
| gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| GTK_SIGNAL_FUNC(mainwin_event_cb), |
| beval); |
| } |
| } |
| |
| static gint |
| target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) |
| { |
| BalloonEval *beval = (BalloonEval *)data; |
| |
| switch (event->type) |
| { |
| case GDK_ENTER_NOTIFY: |
| pointer_event(beval, (int)event->crossing.x, |
| (int)event->crossing.y, |
| event->crossing.state); |
| break; |
| case GDK_MOTION_NOTIFY: |
| if (event->motion.is_hint) |
| { |
| int x; |
| int y; |
| GdkModifierType state; |
| /* |
| * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain |
| * the coordinates from the GdkEventMotion struct directly. |
| */ |
| gdk_window_get_pointer(widget->window, &x, &y, &state); |
| pointer_event(beval, x, y, (unsigned int)state); |
| } |
| else |
| { |
| pointer_event(beval, (int)event->motion.x, |
| (int)event->motion.y, |
| event->motion.state); |
| } |
| break; |
| case GDK_LEAVE_NOTIFY: |
| /* |
| * Ignore LeaveNotify events that are not "normal". |
| * Apparently we also get it when somebody else grabs focus. |
| */ |
| if (event->crossing.mode == GDK_CROSSING_NORMAL) |
| cancelBalloon(beval); |
| break; |
| case GDK_BUTTON_PRESS: |
| case GDK_SCROLL: |
| cancelBalloon(beval); |
| break; |
| case GDK_KEY_PRESS: |
| key_event(beval, event->key.keyval, TRUE); |
| break; |
| case GDK_KEY_RELEASE: |
| key_event(beval, event->key.keyval, FALSE); |
| break; |
| default: |
| break; |
| } |
| |
| return FALSE; /* continue emission */ |
| } |
| |
| static gint |
| mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| { |
| BalloonEval *beval = (BalloonEval *)data; |
| |
| switch (event->type) |
| { |
| case GDK_KEY_PRESS: |
| key_event(beval, event->key.keyval, TRUE); |
| break; |
| case GDK_KEY_RELEASE: |
| key_event(beval, event->key.keyval, FALSE); |
| break; |
| default: |
| break; |
| } |
| |
| return FALSE; /* continue emission */ |
| } |
| |
| static void |
| pointer_event(BalloonEval *beval, int x, int y, unsigned state) |
| { |
| int distance; |
| |
| distance = ABS(x - beval->x) + ABS(y - beval->y); |
| |
| if (distance > 4) |
| { |
| /* |
| * Moved out of the balloon location: cancel it. |
| * Remember button state |
| */ |
| beval->state = state; |
| cancelBalloon(beval); |
| |
| /* Mouse buttons are pressed - no balloon now */ |
| if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK |
| | (int)GDK_BUTTON3_MASK))) |
| { |
| beval->x = x; |
| beval->y = y; |
| |
| if (state & (int)GDK_MOD1_MASK) |
| { |
| /* |
| * Alt is pressed -- enter super-evaluate-mode, |
| * where there is no time delay |
| */ |
| if (beval->msgCB != NULL) |
| { |
| beval->showState = ShS_PENDING; |
| (*beval->msgCB)(beval, state); |
| } |
| } |
| else |
| { |
| beval->timerID = gtk_timeout_add((guint32)p_bdlay, |
| &timeout_cb, beval); |
| } |
| } |
| } |
| } |
| |
| static void |
| key_event(BalloonEval *beval, unsigned keyval, int is_keypress) |
| { |
| if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) |
| { |
| switch (keyval) |
| { |
| case GDK_Shift_L: |
| case GDK_Shift_R: |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, (is_keypress) |
| ? (int)GDK_SHIFT_MASK : 0); |
| break; |
| case GDK_Control_L: |
| case GDK_Control_R: |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, (is_keypress) |
| ? (int)GDK_CONTROL_MASK : 0); |
| break; |
| default: |
| /* Don't do this for key release, we apparently get these with |
| * focus changes in some GTK version. */ |
| if (is_keypress) |
| cancelBalloon(beval); |
| break; |
| } |
| } |
| else |
| cancelBalloon(beval); |
| } |
| |
| static gint |
| timeout_cb(gpointer data) |
| { |
| BalloonEval *beval = (BalloonEval *)data; |
| |
| beval->timerID = 0; |
| /* |
| * If the timer event happens then the mouse has stopped long enough for |
| * a request to be started. The request will only send to the debugger if |
| * there the mouse is pointing at real data. |
| */ |
| requestBalloon(beval); |
| |
| return FALSE; /* don't call me again */ |
| } |
| |
| static gint |
| balloon_expose_event_cb(GtkWidget *widget, |
| GdkEventExpose *event, |
| gpointer data UNUSED) |
| { |
| gtk_paint_flat_box(widget->style, widget->window, |
| GTK_STATE_NORMAL, GTK_SHADOW_OUT, |
| &event->area, widget, "tooltip", |
| 0, 0, -1, -1); |
| |
| return FALSE; /* continue emission */ |
| } |
| |
| #else /* !FEAT_GUI_GTK */ |
| |
| static void |
| addEventHandler(target, beval) |
| Widget target; |
| BalloonEval *beval; |
| { |
| XtAddEventHandler(target, |
| PointerMotionMask | EnterWindowMask | |
| LeaveWindowMask | ButtonPressMask | KeyPressMask | |
| KeyReleaseMask, |
| False, |
| pointerEventEH, (XtPointer)beval); |
| } |
| |
| static void |
| removeEventHandler(beval) |
| BalloonEval *beval; |
| { |
| XtRemoveEventHandler(beval->target, |
| PointerMotionMask | EnterWindowMask | |
| LeaveWindowMask | ButtonPressMask | KeyPressMask | |
| KeyReleaseMask, |
| False, |
| pointerEventEH, (XtPointer)beval); |
| } |
| |
| |
| /* |
| * The X event handler. All it does is call the real event handler. |
| */ |
| static void |
| pointerEventEH(w, client_data, event, unused) |
| Widget w UNUSED; |
| XtPointer client_data; |
| XEvent *event; |
| Boolean *unused UNUSED; |
| { |
| BalloonEval *beval = (BalloonEval *)client_data; |
| pointerEvent(beval, event); |
| } |
| |
| |
| /* |
| * The real event handler. Called by pointerEventEH() whenever an event we are |
| * interested in occurs. |
| */ |
| |
| static void |
| pointerEvent(beval, event) |
| BalloonEval *beval; |
| XEvent *event; |
| { |
| Position distance; /* a measure of how much the ponter moved */ |
| Position delta; /* used to compute distance */ |
| |
| switch (event->type) |
| { |
| case EnterNotify: |
| case MotionNotify: |
| delta = event->xmotion.x - beval->x; |
| if (delta < 0) |
| delta = -delta; |
| distance = delta; |
| delta = event->xmotion.y - beval->y; |
| if (delta < 0) |
| delta = -delta; |
| distance += delta; |
| if (distance > 4) |
| { |
| /* |
| * Moved out of the balloon location: cancel it. |
| * Remember button state |
| */ |
| beval->state = event->xmotion.state; |
| if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) |
| { |
| /* Mouse buttons are pressed - no balloon now */ |
| cancelBalloon(beval); |
| } |
| else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) |
| { |
| /* |
| * Alt is pressed -- enter super-evaluate-mode, |
| * where there is no time delay |
| */ |
| beval->x = event->xmotion.x; |
| beval->y = event->xmotion.y; |
| beval->x_root = event->xmotion.x_root; |
| beval->y_root = event->xmotion.y_root; |
| cancelBalloon(beval); |
| if (beval->msgCB != NULL) |
| { |
| beval->showState = ShS_PENDING; |
| (*beval->msgCB)(beval, beval->state); |
| } |
| } |
| else |
| { |
| beval->x = event->xmotion.x; |
| beval->y = event->xmotion.y; |
| beval->x_root = event->xmotion.x_root; |
| beval->y_root = event->xmotion.y_root; |
| cancelBalloon(beval); |
| beval->timerID = XtAppAddTimeOut( beval->appContext, |
| (long_u)p_bdlay, timerRoutine, beval); |
| } |
| } |
| break; |
| |
| /* |
| * Motif and Athena version: Keystrokes will be caught by the |
| * "textArea" widget, and handled in gui_x11_key_hit_cb(). |
| */ |
| case KeyPress: |
| if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) |
| { |
| Modifiers modifier; |
| KeySym keysym; |
| |
| XtTranslateKeycode(gui.dpy, |
| event->xkey.keycode, event->xkey.state, |
| &modifier, &keysym); |
| if (keysym == XK_Shift_L || keysym == XK_Shift_R) |
| { |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, ShiftMask); |
| } |
| else if (keysym == XK_Control_L || keysym == XK_Control_R) |
| { |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, ControlMask); |
| } |
| else |
| cancelBalloon(beval); |
| } |
| else |
| cancelBalloon(beval); |
| break; |
| |
| case KeyRelease: |
| if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) |
| { |
| Modifiers modifier; |
| KeySym keysym; |
| |
| XtTranslateKeycode(gui.dpy, event->xkey.keycode, |
| event->xkey.state, &modifier, &keysym); |
| if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, 0); |
| } |
| else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) |
| { |
| beval->showState = ShS_UPDATE_PENDING; |
| (*beval->msgCB)(beval, 0); |
| } |
| else |
| cancelBalloon(beval); |
| } |
| else |
| cancelBalloon(beval); |
| break; |
| |
| case LeaveNotify: |
| /* Ignore LeaveNotify events that are not "normal". |
| * Apparently we also get it when somebody else grabs focus. |
| * Happens for me every two seconds (some clipboard tool?) */ |
| if (event->xcrossing.mode == NotifyNormal) |
| cancelBalloon(beval); |
| break; |
| |
| case ButtonPress: |
| cancelBalloon(beval); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static void |
| timerRoutine(dx, id) |
| XtPointer dx; |
| XtIntervalId *id UNUSED; |
| { |
| BalloonEval *beval = (BalloonEval *)dx; |
| |
| beval->timerID = (XtIntervalId)NULL; |
| |
| /* |
| * If the timer event happens then the mouse has stopped long enough for |
| * a request to be started. The request will only send to the debugger if |
| * there the mouse is pointing at real data. |
| */ |
| requestBalloon(beval); |
| } |
| |
| #endif /* !FEAT_GUI_GTK */ |
| |
| static void |
| requestBalloon(beval) |
| BalloonEval *beval; |
| { |
| if (beval->showState != ShS_PENDING) |
| { |
| /* Determine the beval to display */ |
| if (beval->msgCB != NULL) |
| { |
| beval->showState = ShS_PENDING; |
| (*beval->msgCB)(beval, beval->state); |
| } |
| else if (beval->msg != NULL) |
| drawBalloon(beval); |
| } |
| } |
| |
| #ifdef FEAT_GUI_GTK |
| /* |
| * Convert the string to UTF-8 if 'encoding' is not "utf-8". |
| * Replace any non-printable characters and invalid bytes sequences with |
| * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. |
| * TAB and NL are passed through unscathed. |
| */ |
| # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| || (c) == DEL) |
| static void |
| set_printable_label_text(GtkLabel *label, char_u *text) |
| { |
| char_u *convbuf = NULL; |
| char_u *buf; |
| char_u *p; |
| char_u *pdest; |
| unsigned int len; |
| int charlen; |
| int uc; |
| PangoAttrList *attr_list; |
| |
| /* Convert to UTF-8 if it isn't already */ |
| if (output_conv.vc_type != CONV_NONE) |
| { |
| convbuf = string_convert(&output_conv, text, NULL); |
| if (convbuf != NULL) |
| text = convbuf; |
| } |
| |
| /* First let's see how much we need to allocate */ |
| len = 0; |
| for (p = text; *p != NUL; p += charlen) |
| { |
| if ((*p & 0x80) == 0) /* be quick for ASCII */ |
| { |
| charlen = 1; |
| len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ |
| } |
| else |
| { |
| charlen = utf_ptr2len(p); |
| uc = utf_ptr2char(p); |
| |
| if (charlen != utf_char2len(uc)) |
| charlen = 1; /* reject overlong sequences */ |
| |
| if (charlen == 1 || uc < 0xa0) /* illegal byte or */ |
| len += 4; /* control char: <xx> */ |
| else if (!utf_printable(uc)) |
| /* Note: we assume here that utf_printable() doesn't |
| * care about characters outside the BMP. */ |
| len += 6; /* nonprintable: <xxxx> */ |
| else |
| len += charlen; |
| } |
| } |
| |
| attr_list = pango_attr_list_new(); |
| buf = alloc(len + 1); |
| |
| /* Now go for the real work */ |
| if (buf != NULL) |
| { |
| attrentry_T *aep; |
| PangoAttribute *attr; |
| guicolor_T pixel; |
| GdkColor color = { 0, 0, 0, 0 }; |
| |
| /* Look up the RGB values of the SpecialKey foreground color. */ |
| aep = syn_gui_attr2entry(hl_attr(HLF_8)); |
| pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; |
| if (pixel != INVALCOLOR) |
| gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), |
| (unsigned long)pixel, &color); |
| |
| pdest = buf; |
| p = text; |
| while (*p != NUL) |
| { |
| /* Be quick for ASCII */ |
| if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) |
| { |
| *pdest++ = *p++; |
| } |
| else |
| { |
| charlen = utf_ptr2len(p); |
| uc = utf_ptr2char(p); |
| |
| if (charlen != utf_char2len(uc)) |
| charlen = 1; /* reject overlong sequences */ |
| |
| if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) |
| { |
| int outlen; |
| |
| /* Careful: we can't just use transchar_byte() here, |
| * since 'encoding' is not necessarily set to "utf-8". */ |
| if (*p & 0x80 && charlen == 1) |
| { |
| transchar_hex(pdest, *p); /* <xx> */ |
| outlen = 4; |
| } |
| else if (uc >= 0x80) |
| { |
| /* Note: we assume here that utf_printable() doesn't |
| * care about characters outside the BMP. */ |
| transchar_hex(pdest, uc); /* <xx> or <xxxx> */ |
| outlen = (uc < 0x100) ? 4 : 6; |
| } |
| else |
| { |
| transchar_nonprint(pdest, *p); /* ^X */ |
| outlen = 2; |
| } |
| if (pixel != INVALCOLOR) |
| { |
| attr = pango_attr_foreground_new( |
| color.red, color.green, color.blue); |
| attr->start_index = pdest - buf; |
| attr->end_index = pdest - buf + outlen; |
| pango_attr_list_insert(attr_list, attr); |
| } |
| pdest += outlen; |
| p += charlen; |
| } |
| else |
| { |
| do |
| *pdest++ = *p++; |
| while (--charlen != 0); |
| } |
| } |
| } |
| *pdest = NUL; |
| } |
| |
| vim_free(convbuf); |
| |
| gtk_label_set_text(label, (const char *)buf); |
| vim_free(buf); |
| |
| gtk_label_set_attributes(label, attr_list); |
| pango_attr_list_unref(attr_list); |
| } |
| # undef IS_NONPRINTABLE |
| |
| /* |
| * Draw a balloon. |
| */ |
| static void |
| drawBalloon(BalloonEval *beval) |
| { |
| if (beval->msg != NULL) |
| { |
| GtkRequisition requisition; |
| int screen_w; |
| int screen_h; |
| int x; |
| int y; |
| int x_offset = EVAL_OFFSET_X; |
| int y_offset = EVAL_OFFSET_Y; |
| PangoLayout *layout; |
| # ifdef HAVE_GTK_MULTIHEAD |
| GdkScreen *screen; |
| |
| screen = gtk_widget_get_screen(beval->target); |
| gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); |
| screen_w = gdk_screen_get_width(screen); |
| screen_h = gdk_screen_get_height(screen); |
| # else |
| screen_w = gdk_screen_width(); |
| screen_h = gdk_screen_height(); |
| # endif |
| gtk_widget_ensure_style(beval->balloonShell); |
| gtk_widget_ensure_style(beval->balloonLabel); |
| |
| set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); |
| /* |
| * Dirty trick: Enable wrapping mode on the label's layout behind its |
| * back. This way GtkLabel won't try to constrain the wrap width to a |
| * builtin maximum value of about 65 Latin characters. |
| */ |
| layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); |
| # ifdef PANGO_WRAP_WORD_CHAR |
| pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
| # else |
| pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
| # endif |
| pango_layout_set_width(layout, |
| /* try to come up with some reasonable width */ |
| PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, |
| screen_w / 2, |
| MAX(20, screen_w - 20))); |
| |
| /* Calculate the balloon's width and height. */ |
| gtk_widget_size_request(beval->balloonShell, &requisition); |
| |
| /* Compute position of the balloon area */ |
| gdk_window_get_origin(beval->target->window, &x, &y); |
| x += beval->x; |
| y += beval->y; |
| |
| /* Get out of the way of the mouse pointer */ |
| if (x + x_offset + requisition.width > screen_w) |
| y_offset += 15; |
| if (y + y_offset + requisition.height > screen_h) |
| y_offset = -requisition.height - EVAL_OFFSET_Y; |
| |
| /* Sanitize values */ |
| x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); |
| y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); |
| |
| /* Show the balloon */ |
| gtk_widget_set_uposition(beval->balloonShell, x, y); |
| gtk_widget_show(beval->balloonShell); |
| |
| beval->showState = ShS_SHOWING; |
| } |
| } |
| |
| /* |
| * Undraw a balloon. |
| */ |
| static void |
| undrawBalloon(BalloonEval *beval) |
| { |
| if (beval->balloonShell != NULL) |
| gtk_widget_hide(beval->balloonShell); |
| beval->showState = ShS_NEUTRAL; |
| } |
| |
| static void |
| cancelBalloon(BalloonEval *beval) |
| { |
| if (beval->showState == ShS_SHOWING |
| || beval->showState == ShS_UPDATE_PENDING) |
| undrawBalloon(beval); |
| |
| if (beval->timerID != 0) |
| { |
| gtk_timeout_remove(beval->timerID); |
| beval->timerID = 0; |
| } |
| beval->showState = ShS_NEUTRAL; |
| } |
| |
| static void |
| createBalloonEvalWindow(BalloonEval *beval) |
| { |
| beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); |
| |
| gtk_widget_set_app_paintable(beval->balloonShell, TRUE); |
| gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); |
| gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); |
| gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
| |
| gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", |
| GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); |
| beval->balloonLabel = gtk_label_new(NULL); |
| |
| gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); |
| gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); |
| gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); |
| gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); |
| gtk_widget_show(beval->balloonLabel); |
| |
| gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); |
| } |
| |
| #else /* !FEAT_GUI_GTK */ |
| |
| /* |
| * Draw a balloon. |
| */ |
| static void |
| drawBalloon(beval) |
| BalloonEval *beval; |
| { |
| Dimension w; |
| Dimension h; |
| Position tx; |
| Position ty; |
| |
| if (beval->msg != NULL) |
| { |
| /* Show the Balloon */ |
| |
| /* Calculate the label's width and height */ |
| #ifdef FEAT_GUI_MOTIF |
| XmString s; |
| |
| /* For the callback function we parse NL characters to create a |
| * multi-line label. This doesn't work for all languages, but |
| * XmStringCreateLocalized() doesn't do multi-line labels... */ |
| if (beval->msgCB != NULL) |
| s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); |
| else |
| s = XmStringCreateLocalized((char *)beval->msg); |
| { |
| XmFontList fl; |
| |
| fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); |
| if (fl != NULL) |
| { |
| XmStringExtent(fl, s, &w, &h); |
| XmFontListFree(fl); |
| } |
| } |
| w += gui.border_offset << 1; |
| h += gui.border_offset << 1; |
| XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); |
| XmStringFree(s); |
| #else /* Athena */ |
| /* Assume XtNinternational == True */ |
| XFontSet fset; |
| XFontSetExtents *ext; |
| |
| XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); |
| ext = XExtentsOfFontSet(fset); |
| h = ext->max_ink_extent.height; |
| w = XmbTextEscapement(fset, |
| (char *)beval->msg, |
| (int)STRLEN(beval->msg)); |
| w += gui.border_offset << 1; |
| h += gui.border_offset << 1; |
| XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); |
| #endif |
| |
| /* Compute position of the balloon area */ |
| tx = beval->x_root + EVAL_OFFSET_X; |
| ty = beval->y_root + EVAL_OFFSET_Y; |
| if ((tx + w) > beval->screen_width) |
| tx = beval->screen_width - w; |
| if ((ty + h) > beval->screen_height) |
| ty = beval->screen_height - h; |
| #ifdef FEAT_GUI_MOTIF |
| XtVaSetValues(beval->balloonShell, |
| XmNx, tx, |
| XmNy, ty, |
| NULL); |
| #else |
| /* Athena */ |
| XtVaSetValues(beval->balloonShell, |
| XtNx, tx, |
| XtNy, ty, |
| NULL); |
| #endif |
| /* Set tooltip colors */ |
| { |
| Arg args[2]; |
| |
| #ifdef FEAT_GUI_MOTIF |
| args[0].name = XmNbackground; |
| args[0].value = gui.tooltip_bg_pixel; |
| args[1].name = XmNforeground; |
| args[1].value = gui.tooltip_fg_pixel; |
| #else /* Athena */ |
| args[0].name = XtNbackground; |
| args[0].value = gui.tooltip_bg_pixel; |
| args[1].name = XtNforeground; |
| args[1].value = gui.tooltip_fg_pixel; |
| #endif |
| XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); |
| } |
| |
| XtPopup(beval->balloonShell, XtGrabNone); |
| |
| beval->showState = ShS_SHOWING; |
| |
| current_beval = beval; |
| } |
| } |
| |
| /* |
| * Undraw a balloon. |
| */ |
| static void |
| undrawBalloon(beval) |
| BalloonEval *beval; |
| { |
| if (beval->balloonShell != (Widget)0) |
| XtPopdown(beval->balloonShell); |
| beval->showState = ShS_NEUTRAL; |
| |
| current_beval = NULL; |
| } |
| |
| static void |
| cancelBalloon(beval) |
| BalloonEval *beval; |
| { |
| if (beval->showState == ShS_SHOWING |
| || beval->showState == ShS_UPDATE_PENDING) |
| undrawBalloon(beval); |
| |
| if (beval->timerID != (XtIntervalId)NULL) |
| { |
| XtRemoveTimeOut(beval->timerID); |
| beval->timerID = (XtIntervalId)NULL; |
| } |
| beval->showState = ShS_NEUTRAL; |
| } |
| |
| |
| static void |
| createBalloonEvalWindow(beval) |
| BalloonEval *beval; |
| { |
| Arg args[12]; |
| int n; |
| |
| n = 0; |
| #ifdef FEAT_GUI_MOTIF |
| XtSetArg(args[n], XmNallowShellResize, True); n++; |
| beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", |
| overrideShellWidgetClass, gui.dpy, args, n); |
| #else |
| /* Athena */ |
| XtSetArg(args[n], XtNallowShellResize, True); n++; |
| beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", |
| overrideShellWidgetClass, gui.dpy, args, n); |
| #endif |
| |
| n = 0; |
| #ifdef FEAT_GUI_MOTIF |
| { |
| XmFontList fl; |
| |
| fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); |
| XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; |
| XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; |
| XtSetArg(args[n], XmNfontList, fl); n++; |
| XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; |
| beval->balloonLabel = XtCreateManagedWidget("balloonLabel", |
| xmLabelWidgetClass, beval->balloonShell, args, n); |
| } |
| #else /* FEAT_GUI_ATHENA */ |
| XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; |
| XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; |
| XtSetArg(args[n], XtNinternational, True); n++; |
| XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; |
| beval->balloonLabel = XtCreateManagedWidget("balloonLabel", |
| labelWidgetClass, beval->balloonShell, args, n); |
| #endif |
| } |
| |
| #endif /* !FEAT_GUI_GTK */ |
| #endif /* !FEAT_GUI_W32 */ |
| |
| #endif /* FEAT_BEVAL */ |