openbox/prompt.c (raw)
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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- prompt.c for the Openbox window manager Copyright (c) 2008 Dana Jansens This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. See the COPYING file for a copy of the GNU General Public License. */ #include "prompt.h" #include "openbox.h" #include "screen.h" #include "client.h" #include "group.h" #include "event.h" #include "obt/display.h" #include "obt/keyboard.h" #include "obt/prop.h" #include "gettext.h" static GList *prompt_list = NULL; /* we construct these */ static RrAppearance *prompt_a_bg; static RrAppearance *prompt_a_button; static RrAppearance *prompt_a_focus; static RrAppearance *prompt_a_press; static RrAppearance *prompt_a_pfocus; /* we change the max width which would screw with others */ static RrAppearance *prompt_a_msg; /* sizing stuff */ #define OUTSIDE_MARGIN 4 #define MSG_BUTTON_SEPARATION 4 #define BUTTON_SEPARATION 4 #define BUTTON_VMARGIN 4 #define BUTTON_HMARGIN 12 #define MAX_WIDTH 400 static void prompt_layout(ObPrompt *self); static void render_all(ObPrompt *self); static void render_button(ObPrompt *self, ObPromptElement *e); static void prompt_resize(ObPrompt *self, gint w, gint h); static void prompt_run_callback(ObPrompt *self, gint result); void prompt_startup(gboolean reconfig) { RrColor *c_button, *c_focus, *c_press, *c_pfocus; /* note: this is not a copy, don't free it */ prompt_a_bg = ob_rr_theme->osd_bg; prompt_a_button = RrAppearanceCopy(ob_rr_theme->a_focused_unpressed_close); prompt_a_focus = RrAppearanceCopy(ob_rr_theme->a_hover_focused_close); prompt_a_press = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close); prompt_a_pfocus = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close); c_button = prompt_a_button->texture[0].data.mask.color; c_focus = prompt_a_focus->texture[0].data.mask.color; c_press = prompt_a_press->texture[0].data.mask.color; c_pfocus = prompt_a_press->texture[0].data.mask.color; RrAppearanceRemoveTextures(prompt_a_button); RrAppearanceRemoveTextures(prompt_a_focus); RrAppearanceRemoveTextures(prompt_a_press); RrAppearanceRemoveTextures(prompt_a_pfocus); /* texture[0] is the text and texture[1-4] (for prompt_a_focus and prompt_a_pfocus) is lineart to show where keyboard focus is */ RrAppearanceAddTextures(prompt_a_button, 1); RrAppearanceAddTextures(prompt_a_focus, 5); RrAppearanceAddTextures(prompt_a_press, 1); RrAppearanceAddTextures(prompt_a_pfocus, 5); /* totally cheating here.. */ prompt_a_button->texture[0] = ob_rr_theme->osd_hilite_label->texture[0]; prompt_a_focus->texture[0] = ob_rr_theme->osd_hilite_label->texture[0]; prompt_a_press->texture[0] = ob_rr_theme->osd_hilite_label->texture[0]; prompt_a_pfocus->texture[0] = ob_rr_theme->osd_hilite_label->texture[0]; prompt_a_button->texture[0].data.text.justify = RR_JUSTIFY_CENTER; prompt_a_focus->texture[0].data.text.justify = RR_JUSTIFY_CENTER; prompt_a_press->texture[0].data.text.justify = RR_JUSTIFY_CENTER; prompt_a_pfocus->texture[0].data.text.justify = RR_JUSTIFY_CENTER; prompt_a_button->texture[0].data.text.color = c_button; prompt_a_focus->texture[0].data.text.color = c_focus; prompt_a_press->texture[0].data.text.color = c_press; prompt_a_pfocus->texture[0].data.text.color = c_pfocus; prompt_a_focus->texture[1].data.lineart.color = c_focus; prompt_a_focus->texture[2].data.lineart.color = c_focus; prompt_a_focus->texture[3].data.lineart.color = c_focus; prompt_a_focus->texture[4].data.lineart.color = c_focus; prompt_a_pfocus->texture[1].data.lineart.color = c_press; prompt_a_pfocus->texture[2].data.lineart.color = c_press; prompt_a_pfocus->texture[3].data.lineart.color = c_press; prompt_a_pfocus->texture[4].data.lineart.color = c_press; prompt_a_msg = RrAppearanceCopy(ob_rr_theme->osd_hilite_label); prompt_a_msg->texture[0].data.text.flow = TRUE; if (reconfig) { GList *it; for (it = prompt_list; it; it = g_list_next(it)) { ObPrompt *p = it->data; prompt_layout(p); render_all(p); } } } void prompt_shutdown(gboolean reconfig) { GList *it; if (!reconfig) { for (it = prompt_list; it; it = g_list_next(it)) { ObPrompt *p = it->data; if (p->cleanup) p->cleanup(p, p->data); } g_assert(prompt_list == NULL); } RrAppearanceFree(prompt_a_button); RrAppearanceFree(prompt_a_focus); RrAppearanceFree(prompt_a_press); RrAppearanceFree(prompt_a_pfocus); RrAppearanceFree(prompt_a_msg); } ObPrompt* prompt_new(const gchar *msg, const gchar *title, const ObPromptAnswer *answers, gint n_answers, gint default_result, gint cancel_result, ObPromptCallback func, ObPromptCleanup cleanup, gpointer data) { ObPrompt *self; XSetWindowAttributes attrib; gint i; attrib.override_redirect = FALSE; self = g_slice_new0(ObPrompt); self->ref = 1; self->func = func; self->cleanup = cleanup; self->data = data; self->default_result = default_result; self->cancel_result = cancel_result; self->super.type = OB_WINDOW_CLASS_PROMPT; self->super.window = XCreateWindow(obt_display, obt_root(ob_screen), 0, 0, 1, 1, 0, CopyFromParent, InputOutput, CopyFromParent, CWOverrideRedirect, &attrib); self->ic = obt_keyboard_context_new(self->super.window, self->super.window); /* make it a dialog type window */ OBT_PROP_SET32(self->super.window, NET_WM_WINDOW_TYPE, ATOM, OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG)); /* set the window's title */ if (title) OBT_PROP_SETS(self->super.window, NET_WM_NAME, utf8, title); /* listen for key presses on the window */ self->event_mask = KeyPressMask; /* set up the text message widow */ self->msg.text = g_strdup(msg); self->msg.window = XCreateWindow(obt_display, self->super.window, 0, 0, 1, 1, 0, CopyFromParent, InputOutput, CopyFromParent, 0, NULL); XMapWindow(obt_display, self->msg.window); /* set up the buttons from the answers */ self->n_buttons = n_answers; if (!self->n_buttons) self->n_buttons = 1; self->button = g_new0(ObPromptElement, self->n_buttons); if (n_answers == 0) { g_assert(self->n_buttons == 1); /* should be set to this above.. */ self->button[0].text = g_strdup(_("OK")); } else { g_assert(self->n_buttons > 0); for (i = 0; i < self->n_buttons; ++i) { self->button[i].text = g_strdup(answers[i].text); self->button[i].result = answers[i].result; } } for (i = 0; i < self->n_buttons; ++i) { self->button[i].window = XCreateWindow(obt_display, self->super.window, 0, 0, 1, 1, 0, CopyFromParent, InputOutput, CopyFromParent, 0, NULL); XMapWindow(obt_display, self->button[i].window); window_add(&self->button[i].window, PROMPT_AS_WINDOW(self)); /* listen for button presses on the buttons */ XSelectInput(obt_display, self->button[i].window, ButtonPressMask | ButtonReleaseMask | ButtonMotionMask); } prompt_list = g_list_prepend(prompt_list, self); return self; } void prompt_ref(ObPrompt *self) { ++self->ref; } void prompt_unref(ObPrompt *self) { if (self && --self->ref == 0) { gint i; if (self->mapped) prompt_hide(self); prompt_list = g_list_remove(prompt_list, self); obt_keyboard_context_unref(self->ic); for (i = 0; i < self->n_buttons; ++i) { window_remove(self->button[i].window); XDestroyWindow(obt_display, self->button[i].window); } XDestroyWindow(obt_display, self->msg.window); XDestroyWindow(obt_display, self->super.window); g_slice_free(ObPrompt, self); } } static void prompt_layout(ObPrompt *self) { gint l, r, t, b; gint i; gint allbuttonsw, allbuttonsh, buttonx; gint w, h; gint maxw; RrMargins(prompt_a_bg, &l, &t, &r, &b); l += OUTSIDE_MARGIN; t += OUTSIDE_MARGIN; r += OUTSIDE_MARGIN; b += OUTSIDE_MARGIN; { Rect const *area = screen_physical_area_all_monitors(); maxw = MIN(MAX_WIDTH, area->width*4/5); } /* find the button sizes and how much space we need for them */ allbuttonsw = allbuttonsh = 0; for (i = 0; i < self->n_buttons; ++i) { gint bw, bh; prompt_a_button->texture[0].data.text.string = self->button[i].text; prompt_a_focus->texture[0].data.text.string = self->button[i].text; prompt_a_press->texture[0].data.text.string = self->button[i].text; prompt_a_pfocus->texture[0].data.text.string = self->button[i].text; RrMinSize(prompt_a_button, &bw, &bh); self->button[i].width = bw; self->button[i].height = bh; RrMinSize(prompt_a_focus, &bw, &bh); self->button[i].width = MAX(self->button[i].width, bw); self->button[i].height = MAX(self->button[i].height, bh); RrMinSize(prompt_a_press, &bw, &bh); self->button[i].width = MAX(self->button[i].width, bw); self->button[i].height = MAX(self->button[i].height, bh); RrMinSize(prompt_a_pfocus, &bw, &bh); self->button[i].width = MAX(self->button[i].width, bw); self->button[i].height = MAX(self->button[i].height, bh); self->button[i].width += BUTTON_HMARGIN * 2; self->button[i].height += BUTTON_VMARGIN * 2; allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0); allbuttonsh = MAX(allbuttonsh, self->button[i].height); } self->msg_wbound = MAX(allbuttonsw, maxw); /* measure the text message area */ prompt_a_msg->texture[0].data.text.string = self->msg.text; prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound; RrMinSize(prompt_a_msg, &self->msg.width, &self->msg.height); /* width and height inside the outer margins */ w = MAX(self->msg.width, allbuttonsw); h = self->msg.height + MSG_BUTTON_SEPARATION + allbuttonsh; /* position the text message */ self->msg.x = l + (w - self->msg.width) / 2; self->msg.y = t; /* position the button buttons on the right of the dialog */ buttonx = l + w; for (i = self->n_buttons - 1; i >= 0; --i) { self->button[i].x = buttonx - self->button[i].width; buttonx -= self->button[i].width + BUTTON_SEPARATION; self->button[i].y = t + h - allbuttonsh; self->button[i].y += (allbuttonsh - self->button[i].height) / 2; } /* size and position the toplevel window */ prompt_resize(self, w + l + r, h + t + b); /* move and resize the internal windows */ XMoveResizeWindow(obt_display, self->msg.window, self->msg.x, self->msg.y, self->msg.width, self->msg.height); for (i = 0; i < self->n_buttons; ++i) XMoveResizeWindow(obt_display, self->button[i].window, self->button[i].x, self->button[i].y, self->button[i].width, self->button[i].height); } static void prompt_resize(ObPrompt *self, gint w, gint h) { XConfigureRequestEvent req; XSizeHints hints; self->width = w; self->height = h; /* the user can't resize the prompt */ hints.flags = PMinSize | PMaxSize; hints.min_width = hints.max_width = w; hints.min_height = hints.max_height = h; XSetWMNormalHints(obt_display, self->super.window, &hints); if (self->mapped) { /* send a configure request like a normal client would */ req.type = ConfigureRequest; req.display = obt_display; req.parent = obt_root(ob_screen); req.window = self->super.window; req.width = w; req.height = h; req.value_mask = CWWidth | CWHeight; XSendEvent(req.display, req.window, FALSE, StructureNotifyMask, (XEvent*)&req); } else XResizeWindow(obt_display, self->super.window, w, h); } static void setup_button_focus_tex(ObPromptElement *e, RrAppearance *a, gboolean on) { gint i, l, r, t, b; for (i = 1; i < 5; ++i) a->texture[i].type = on ? RR_TEXTURE_LINE_ART : RR_TEXTURE_NONE; if (!on) return; RrMargins(a, &l, &t, &r, &b); l += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2; r += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2; t += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2; b += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2; /* top line */ a->texture[1].data.lineart.x1 = l; a->texture[1].data.lineart.x2 = e->width - r - 1; a->texture[1].data.lineart.y1 = t; a->texture[1].data.lineart.y2 = t; /* bottom line */ a->texture[2].data.lineart.x1 = l; a->texture[2].data.lineart.x2 = e->width - r - 1; a->texture[2].data.lineart.y1 = e->height - b - 1; a->texture[2].data.lineart.y2 = e->height - b - 1; /* left line */ a->texture[3].data.lineart.x1 = l; a->texture[3].data.lineart.x2 = l; a->texture[3].data.lineart.y1 = t; a->texture[3].data.lineart.y2 = e->height - b - 1; /* right line */ a->texture[4].data.lineart.x1 = e->width - r - 1; a->texture[4].data.lineart.x2 = e->width - r - 1; a->texture[4].data.lineart.y1 = t; a->texture[4].data.lineart.y2 = e->height - b - 1; } static void render_button(ObPrompt *self, ObPromptElement *e) { RrAppearance *a; if (e->hover && self->focus == e) a = prompt_a_pfocus; else if (self->focus == e) a = prompt_a_focus; else if (e->pressed) a = prompt_a_press; else a = prompt_a_button; a->surface.parent = prompt_a_bg; a->surface.parentx = e->x; a->surface.parenty = e->y; /* draw the keyfocus line */ if (a == prompt_a_pfocus || a == prompt_a_focus) setup_button_focus_tex(e, a, TRUE); a->texture[0].data.text.string = e->text; RrPaint(a, e->window, e->width, e->height); /* turn off the keyfocus line so that it doesn't affect size calculations */ if (a == prompt_a_pfocus || a == prompt_a_focus) setup_button_focus_tex(e, a, FALSE); } static void render_all(ObPrompt *self) { gint i; RrPaint(prompt_a_bg, self->super.window, self->width, self->height); prompt_a_msg->surface.parent = prompt_a_bg; prompt_a_msg->surface.parentx = self->msg.x; prompt_a_msg->surface.parenty = self->msg.y; prompt_a_msg->texture[0].data.text.string = self->msg.text; prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound; RrPaint(prompt_a_msg, self->msg.window, self->msg.width, self->msg.height); for (i = 0; i < self->n_buttons; ++i) render_button(self, &self->button[i]); } void prompt_show(ObPrompt *self, ObClient *parent, gboolean modal) { gint i; if (self->mapped) { /* activate the prompt */ OBT_PROP_MSG(ob_screen, self->super.window, NET_ACTIVE_WINDOW, 1, /* from an application.. */ event_curtime, 0, 0, 0); return; } /* set the focused button (if not found then the first button is used) */ self->focus = &self->button[0]; for (i = 0; i < self->n_buttons; ++i) if (self->button[i].result == self->default_result) { self->focus = &self->button[i]; break; } if (parent) { Atom states[1]; gint nstates; Window p; XWMHints h; if (parent->group) { /* make it transient for the window's group */ h.flags = WindowGroupHint; h.window_group = parent->group->leader; p = obt_root(ob_screen); } else { /* make it transient for the window directly */ h.flags = 0; p = parent->window; } XSetWMHints(obt_display, self->super.window, &h); OBT_PROP_SET32(self->super.window, WM_TRANSIENT_FOR, WINDOW, p); states[0] = OBT_PROP_ATOM(NET_WM_STATE_MODAL); nstates = (modal ? 1 : 0); OBT_PROP_SETA32(self->super.window, NET_WM_STATE, ATOM, states, nstates); } else OBT_PROP_ERASE(self->super.window, WM_TRANSIENT_FOR); /* set up the dialog and render it */ prompt_layout(self); render_all(self); client_manage(self->super.window, self); self->mapped = TRUE; } void prompt_hide(ObPrompt *self) { XUnmapWindow(obt_display, self->super.window); self->mapped = FALSE; } gboolean prompt_key_event(ObPrompt *self, XEvent *e) { gboolean shift; guint shift_mask, mods; KeySym sym; if (e->type != KeyPress) return FALSE; shift_mask = obt_keyboard_modkey_to_modmask(OBT_KEYBOARD_MODKEY_SHIFT); mods = obt_keyboard_only_modmasks(e->xkey.state); shift = !!(mods & shift_mask); /* only accept shift */ if (mods != 0 && mods != shift_mask) return FALSE; sym = obt_keyboard_keypress_to_keysym(e); if (sym == XK_Escape) prompt_cancel(self); else if (sym == XK_Return || sym == XK_space) prompt_run_callback(self, self->focus->result); else if (sym == XK_Tab || sym == XK_Left || sym == XK_Right) { gint i; gboolean left; ObPromptElement *oldfocus; left = (sym == XK_Left) || ((sym == XK_Tab) && shift); oldfocus = self->focus; for (i = 0; i < self->n_buttons; ++i) if (self->focus == &self->button[i]) break; i += (left ? -1 : 1); if (i < 0) i = self->n_buttons - 1; else if (i >= self->n_buttons) i = 0; self->focus = &self->button[i]; if (oldfocus != self->focus) render_button(self, oldfocus); render_button(self, self->focus); } return TRUE; } gboolean prompt_mouse_event(ObPrompt *self, XEvent *e) { gint i; ObPromptElement *but; if (e->type != ButtonPress && e->type != ButtonRelease && e->type != MotionNotify) return FALSE; /* find the button */ but = NULL; for (i = 0; i < self->n_buttons; ++i) if (self->button[i].window == (e->type == MotionNotify ? e->xmotion.window : e->xbutton.window)) { but = &self->button[i]; break; } if (!but) return FALSE; if (e->type == ButtonPress) { ObPromptElement *oldfocus; oldfocus = self->focus; but->pressed = but->hover = TRUE; self->focus = but; if (oldfocus != but) render_button(self, oldfocus); render_button(self, but); } else if (e->type == ButtonRelease) { if (but->hover) prompt_run_callback(self, but->result); but->pressed = FALSE; } else if (e->type == MotionNotify) { if (but->pressed) { gboolean hover; hover = (e->xmotion.x >= 0 && e->xmotion.y >= 0 && e->xmotion.x < but->width && e->xmotion.y < but->height); if (hover != but->hover) { but->hover = hover; render_button(self, but); } } } return TRUE; } void prompt_cancel(ObPrompt *self) { prompt_run_callback(self, self->cancel_result); } static gboolean prompt_show_message_cb(ObPrompt *p, int res, gpointer data) { return TRUE; /* call the cleanup func */ } static void prompt_show_message_cleanup(ObPrompt *p, gpointer data) { prompt_unref(p); } ObPrompt* prompt_show_message(const gchar *msg, const gchar *title, const gchar *answer) { ObPrompt *p; ObPromptAnswer ans[] = { { answer, 0 } }; p = prompt_new(msg, title, ans, 1, 0, 0, prompt_show_message_cb, prompt_show_message_cleanup, NULL); prompt_show(p, NULL, FALSE); return p; } static void prompt_run_callback(ObPrompt *self, gint result) { prompt_ref(self); if (self->func) { gboolean clean = self->func(self, self->focus->result, self->data); if (clean && self->cleanup) self->cleanup(self, self->data); } prompt_hide(self); prompt_unref(self); } |