you can create dialog windows called "prompts" which have a message and some buttons! they don't do anything interesting yet.

1 files changed, 283 insertions, 0 deletions

diff --git a/openbox/prompt.c b/openbox/prompt.c
new file mode 100644
index 00000000..d8400928
--- /dev/null
+++ b/openbox/prompt.c
@@ -0,0 +1,283 @@
+/* -*- 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 "obt/display.h"
+#include "gettext.h"
+
+static GList *prompt_list = NULL;
+
+/* we construct these */
+static RrAppearance *prompt_a_button;
+static RrAppearance *prompt_a_hover;
+static RrAppearance *prompt_a_press;
+
+#define msg_appearance(self) (ob_rr_theme->osd_hilite_label)
+
+void prompt_startup(gboolean reconfig)
+{
+    RrColor *c_button, *c_hover, *c_press;
+
+    prompt_a_button = RrAppearanceCopy(ob_rr_theme->a_focused_unpressed_close);
+    prompt_a_hover = RrAppearanceCopy(ob_rr_theme->a_hover_focused_close);
+    prompt_a_press = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close);
+
+    c_button = prompt_a_button->texture[0].data.mask.color;
+    c_hover = prompt_a_button->texture[0].data.mask.color;
+    c_press = prompt_a_button->texture[0].data.mask.color;
+
+    RrAppearanceRemoveTextures(prompt_a_button);
+    RrAppearanceRemoveTextures(prompt_a_hover);
+    RrAppearanceRemoveTextures(prompt_a_press);
+
+    RrAppearanceAddTextures(prompt_a_button, 1);
+    RrAppearanceAddTextures(prompt_a_hover, 1);
+    RrAppearanceAddTextures(prompt_a_press, 1);
+
+    /* totally cheating here.. */
+    prompt_a_button->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
+    prompt_a_hover->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_button->texture[0].data.text.color = c_button;
+    prompt_a_hover->texture[0].data.text.color = c_hover;
+    prompt_a_press->texture[0].data.text.color = c_press;
+}
+
+void prompt_shutdown(gboolean reconfig)
+{
+    RrAppearanceFree(prompt_a_button);
+    RrAppearanceFree(prompt_a_hover);
+    RrAppearanceFree(prompt_a_press);
+}
+
+ObPrompt* prompt_new(const gchar *msg, const gchar *const *answers)
+{
+    ObPrompt *self;
+    XSetWindowAttributes attrib;
+    guint i;
+    const gchar *const *c;
+
+    attrib.override_redirect = TRUE;
+
+    self = g_new0(ObPrompt, 1);
+    self->ref = 1;
+    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);
+    window_add(&self->super.window, PROMPT_AS_WINDOW(self));
+
+    self->a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
+
+    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);
+
+    self->n_buttons = 0;
+    for (c = answers; *c != NULL; ++c)
+        ++self->n_buttons;
+
+    if (!self->n_buttons)
+        self->n_buttons = 1;
+
+    self->button = g_new(ObPromptElement, self->n_buttons);
+
+    if (!answers) {
+        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]);
+    }
+
+    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));
+    }
+
+    return self;
+}
+
+void prompt_ref(ObPrompt *self)
+{
+    ++self->ref;
+}
+
+void prompt_unref(ObPrompt *self)
+{
+    if (self && --self->ref == 0) {
+        guint i;
+
+        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);
+
+        RrAppearanceFree(self->a_bg);
+
+        window_remove(self->super.window);
+        XDestroyWindow(obt_display, self->super.window);
+        g_free(self);
+    }
+}
+
+static void prompt_layout(ObPrompt *self, const Rect *area)
+{
+    RrAppearance *a_msg = msg_appearance(self);
+    gint l, r, t, b;
+    guint i;
+    gint allbuttonsw, allbuttonsh, buttonx;
+    gint w, h;
+
+    const gint OUTSIDE_MARGIN = 4;
+    const gint MSG_BUTTON_SEPARATION = 4;
+    const gint BUTTON_SEPARATION = 4;
+
+    RrMargins(self->a_bg, &l, &t, &r, &b);
+    l += OUTSIDE_MARGIN;
+    t += OUTSIDE_MARGIN;
+    r += OUTSIDE_MARGIN;
+    b += OUTSIDE_MARGIN;
+
+    /* 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_hover->texture[0].data.text.string = self->button[i].text;
+        prompt_a_press->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_hover, &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);
+
+        allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0);
+        allbuttonsh = MAX(allbuttonsh, self->button[i].height);
+    }
+
+    self->msg_wbound = MAX(allbuttonsw, area->width*3/5);
+
+    /* measure the text message area */
+    a_msg->texture[0].data.text.string = self->msg.text;
+    a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
+    RrMinSize(a_msg, &self->msg.width, &self->msg.height);
+    a_msg->texture[0].data.text.maxwidth = 0;
+
+    /* 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 */
+    buttonx = l + (w - allbuttonsw) / 2;
+    for (i = 0; i < self->n_buttons; ++i) {
+        self->button[i].x = buttonx;
+        buttonx += self->button[i].width + BUTTON_SEPARATION;
+        self->button[i].y = h - allbuttonsh;
+        self->button[i].y += (allbuttonsh - self->button[i].height) / 2;
+    }
+
+    /* size and position the toplevel window */
+    self->width = w + l + r;
+    self->height = h + t + b;
+    self->x = (area->width - self->width) / 2;
+    self->y = (area->height - self->height) / 2;
+
+    /* move and resize the actual windows */
+    XMoveResizeWindow(obt_display, self->super.window,
+                      self->x, self->y, self->width, self->height);
+    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 render_button(ObPrompt *self, ObPromptElement *e)
+{
+    prompt_a_button->surface.parent = self->a_bg;
+    prompt_a_button->surface.parentx = e->x;
+    prompt_a_button->surface.parentx = e->y;
+
+    prompt_a_button->texture[0].data.text.string = e->text;
+    RrPaint(prompt_a_button, e->window, e->width, e->height);
+}
+
+static void render_all(ObPrompt *self)
+{
+    guint i;
+
+    RrPaint(self->a_bg, self->super.window, self->width, self->height);
+
+    msg_appearance()->surface.parent = self->a_bg;
+    msg_appearance()->surface.parentx = self->msg.x;
+    msg_appearance()->surface.parentx = self->msg.y;
+
+    msg_appearance()->texture[0].data.text.string = self->msg.text;
+    msg_appearance()->texture[0].data.text.maxwidth = self->msg_wbound;
+    RrPaint(msg_appearance(), self->msg.window,
+            self->msg.width, self->msg.height);
+    msg_appearance()->texture[0].data.text.maxwidth = 0;
+
+    for (i = 0; i < self->n_buttons; ++i)
+        render_button(self, &self->button[i]);
+}
+
+void prompt_show(ObPrompt *self, const Rect *area)
+{
+    if (self->mapped) return;
+
+    prompt_layout(self, area);
+    render_all(self);
+    XMapWindow(obt_display, self->super.window);
+
+    self->mapped = TRUE;
+}
+
+void prompt_hide(ObPrompt *self)
+{
+    XUnmapWindow(obt_display, self->super.window);
+    self->mapped = FALSE;
+}