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-rw-r--r--src/terminal-window.c196
1 files changed, 190 insertions, 6 deletions
diff --git a/src/terminal-window.c b/src/terminal-window.c
index 04fbca8..d0c159b 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -321,6 +321,176 @@ app_setting_notify_destroy_cb (GdkScreen *screen)
/* utility functions */
+/*
+ Derived from XParseGeometry() in X.org
+
+ Copyright 1985, 1986, 1987, 1998 The Open Group
+
+ All Rights Reserved.
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ OTHER DEALINGS IN THE SOFTWARE.
+
+ Except as contained in this notice, the name of The Open Group shall
+ not be used in advertising or otherwise to promote the sale, use or
+ other dealings in this Software without prior written authorization
+ from The Open Group.
+*/
+
+/*
+ * XParseGeometry parses strings of the form
+ * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
+ * width, height, xoffset, and yoffset are unsigned integers.
+ * Example: "=80x24+300-49"
+ * The equal sign is optional.
+ * It returns a bitmask that indicates which of the four values
+ * were actually found in the string. For each value found,
+ * the corresponding argument is updated; for each value
+ * not found, the corresponding argument is left unchanged.
+ */
+
+/* The following code is from Xlib, and is minimally modified, so we
+ * can track any upstream changes if required. Don’t change this
+ * code. Or if you do, put in a huge comment marking which thing
+ * changed.
+ */
+
+static int
+terminal_window_ReadInteger (char *string,
+ char **NextString)
+{
+ register int Result = 0;
+ int Sign = 1;
+
+ if (*string == '+')
+ string++;
+ else if (*string == '-')
+ {
+ string++;
+ Sign = -1;
+ }
+ for (; (*string >= '0') && (*string <= '9'); string++)
+ {
+ Result = (Result * 10) + (*string - '0');
+ }
+ *NextString = string;
+ if (Sign >= 0)
+ return (Result);
+ else
+ return (-Result);
+}
+
+/*
+ * Bitmask returned by XParseGeometry(). Each bit tells if the corresponding
+ * value (x, y, width, height) was found in the parsed string.
+ */
+#define NoValue 0x0000
+#define XValue 0x0001
+#define YValue 0x0002
+#define WidthValue 0x0004
+#define HeightValue 0x0008
+#define AllValues 0x000F
+#define XNegative 0x0010
+#define YNegative 0x0020
+
+static int
+terminal_window_XParseGeometry (const char *string,
+ int *x, int *y,
+ unsigned int *width,
+ unsigned int *height)
+{
+ int mask = NoValue;
+ register char *strind;
+ unsigned int tempWidth = 0, tempHeight = 0;
+ int tempX = 0, tempY = 0;
+ char *nextCharacter;
+
+ if ( (string == NULL) || (*string == '\0')) return(mask);
+ if (*string == '=')
+ string++; /* ignore possible '=' at beg of geometry spec */
+
+ strind = (char *)string;
+ if (*strind != '+' && *strind != '-' && *strind != 'x') {
+ tempWidth = terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= WidthValue;
+ }
+
+ if (*strind == 'x' || *strind == 'X') {
+ strind++;
+ tempHeight = terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= HeightValue;
+ }
+
+ if ((*strind == '+') || (*strind == '-')) {
+ if (*strind == '-') {
+ strind++;
+ tempX = -terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return (0);
+ strind = nextCharacter;
+ mask |= XNegative;
+
+ }
+ else
+ { strind++;
+ tempX = terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ }
+ mask |= XValue;
+ if ((*strind == '+') || (*strind == '-')) {
+ if (*strind == '-') {
+ strind++;
+ tempY = -terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ mask |= YNegative;
+
+ }
+ else
+ {
+ strind++;
+ tempY = terminal_window_ReadInteger(strind, &nextCharacter);
+ if (strind == nextCharacter)
+ return(0);
+ strind = nextCharacter;
+ }
+ mask |= YValue;
+ }
+ }
+
+ /* If strind isn't at the end of the string the it's an invalid
+ geometry specification. */
+
+ if (*strind != '\0') return (0);
+
+ if (x != NULL && mask & XValue)
+ *x = tempX;
+ if (y != NULL && mask & YValue)
+ *y = tempY;
+ if (width != NULL && mask & WidthValue)
+ *width = tempWidth;
+ if (height != NULL && mask & HeightValue)
+ *height = tempHeight;
+ return (mask);
+}
+
static char *
escape_underscores (const char *name)
{
@@ -2566,19 +2736,21 @@ terminal_window_set_size (TerminalWindow *window,
TerminalScreen *screen,
gboolean even_if_mapped)
{
- terminal_window_set_size_force_grid (window, screen, even_if_mapped, -1, -1);
+ terminal_window_set_size_force_grid (window, screen, even_if_mapped, NULL);
}
-void
+gboolean
terminal_window_set_size_force_grid (TerminalWindow *window,
TerminalScreen *screen,
gboolean even_if_mapped,
- int force_grid_width,
- int force_grid_height)
+ gchar *force_grid_string)
{
TerminalWindowPrivate *priv = window->priv;
GtkWidget *widget;
GtkWidget *app;
+ gboolean result;
+ int parse_result;
+ unsigned int force_grid_width, force_grid_height;
int grid_width, grid_height;
gint pixel_width, pixel_height;
GdkWindow *gdk_window;
@@ -2609,9 +2781,21 @@ terminal_window_set_size_force_grid (TerminalWindow *window,
terminal_screen_get_size (screen, &grid_width, &grid_height);
- if (force_grid_width >= 0)
+ if (force_grid_string != NULL)
+ {
+ parse_result = terminal_window_XParseGeometry (force_grid_string,
+ NULL, NULL,
+ &force_grid_width,
+ &force_grid_height);
+ if (parse_result == NoValue)
+ result = FALSE;
+ }
+ else
+ parse_result = NoValue;
+
+ if (parse_result & WidthValue)
grid_width = force_grid_width;
- if (force_grid_height >= 0)
+ if (parse_result & HeightValue)
grid_height = force_grid_height;
/* the "old" struct members were updated by update_geometry */