[Gpredict-svn] SF.net SVN: gpredict:[615] trunk/src/gtk-sky-glance.c
Real time satellite tracking and orbit prediction
Status: Beta
Brought to you by:
csete
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[Gpredict-svn] SF.net SVN: gpredict:[615] trunk/src/gtk-sky-glance.c
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From: <cs...@us...> - 2010-05-04 13:17:01
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Revision: 615
http://gpredict.svn.sourceforge.net/gpredict/?rev=615&view=rev
Author: csete
Date: 2010-05-04 13:16:54 +0000 (Tue, 04 May 2010)
Log Message:
-----------
Click on satellite pass shows pass details.
Modified Paths:
--------------
trunk/src/gtk-sky-glance.c
Modified: trunk/src/gtk-sky-glance.c
===================================================================
--- trunk/src/gtk-sky-glance.c 2010-03-12 15:25:50 UTC (rev 614)
+++ trunk/src/gtk-sky-glance.c 2010-05-04 13:16:54 UTC (rev 615)
@@ -46,6 +46,7 @@
#include "gtk-sat-data.h"
#include "gpredict-utils.h"
#include "predict-tools.h"
+#include "sat-pass-dialogs.h"
#include "time-tools.h"
//#include "gtk-sky-glance-popup.h"
#include "gtk-sky-glance.h"
@@ -87,6 +88,16 @@
GdkEventButton *event,
gpointer data);
+static gboolean on_mouse_enter (GooCanvasItem *item,
+ GooCanvasItem *target_item,
+ GdkEventCrossing *event,
+ gpointer data);
+static gboolean on_mouse_leave (GooCanvasItem *item,
+ GooCanvasItem *target_item,
+ GdkEventCrossing *event,
+ gpointer data);
+
+
static GooCanvasItemModel* create_canvas_model (GtkSkyGlance *skg);
@@ -271,17 +282,17 @@
GTK_SKY_GLANCE (skg)->canvas = goo_canvas_new ();
gtk_widget_modify_base (GTK_SKY_GLANCE (skg)->canvas, GTK_STATE_NORMAL, &bg_color);
gtk_widget_set_size_request (GTK_SKY_GLANCE (skg)->canvas,
- GTK_SKY_GLANCE (skg)->w,
- GTK_SKY_GLANCE (skg)->h + SKG_FOOTER);
+ GTK_SKY_GLANCE (skg)->w,
+ GTK_SKY_GLANCE (skg)->h + SKG_FOOTER);
goo_canvas_set_bounds (GOO_CANVAS (GTK_SKY_GLANCE (skg)->canvas), 0, 0,
- GTK_SKY_GLANCE (skg)->w,
- GTK_SKY_GLANCE (skg)->h + SKG_FOOTER);
+ GTK_SKY_GLANCE (skg)->w,
+ GTK_SKY_GLANCE (skg)->h + SKG_FOOTER);
/* connect size-request signal */
g_signal_connect (GTK_SKY_GLANCE (skg)->canvas, "size-allocate",
- G_CALLBACK (size_allocate_cb), skg);
+ G_CALLBACK (size_allocate_cb), skg);
g_signal_connect (GTK_SKY_GLANCE (skg)->canvas, "item_created",
- (GtkSignalFunc) on_item_created, skg);
+ (GtkSignalFunc) on_item_created, skg);
g_signal_connect_after (GTK_SKY_GLANCE (skg)->canvas, "realize",
(GtkSignalFunc) on_canvas_realized, skg);
@@ -564,11 +575,11 @@
}
g_object_set (skp->box,
- "x", x,
- "y", y,
- "width", w,
- "height", h,
- NULL);
+ "x", x,
+ "y", y,
+ "width", w,
+ "height", h,
+ NULL);
}
}
@@ -633,7 +644,9 @@
/* in order to avoid label clipping close to the edges of
the chart, the label is placed left/right of the cursor
tracking line depending on which half we are in.
+ => Currently disabled, time display stays in upper left corner
*/
+/*
if (event->x > (skg->w / 2)) {
g_object_set (skg->timel,
"text", buff,
@@ -648,7 +661,13 @@
"anchor", GTK_ANCHOR_NW,
NULL);
}
+*/
+ g_object_set (skg->timel,
+ "text", buff,
+ NULL);
+
+
return TRUE;
}
@@ -670,30 +689,33 @@
{
if (!goo_canvas_item_model_get_parent (model)) {
/* root item / canvas */
- g_signal_connect (item, "motion_notify_event",
- (GtkSignalFunc) on_motion_notify, data);
+ g_signal_connect (item, "motion_notify_event", (GtkSignalFunc) on_motion_notify, data);
}
else if (!g_object_get_data (G_OBJECT (item), "skip-signal-connection")) {
- g_signal_connect (item, "button_press_event",
- (GtkSignalFunc) on_button_press, data);
- g_signal_connect (item, "button_release_event",
- (GtkSignalFunc) on_button_release, data);
+ //g_signal_connect (item, "button_press_event", (GtkSignalFunc) on_button_press, data);
+ g_signal_connect (item, "button_release_event", (GtkSignalFunc) on_button_release, data);
+ g_signal_connect (item, "enter_notify_event", (GtkSignalFunc) on_mouse_enter, data);
+ g_signal_connect (item, "leave_notify_event", (GtkSignalFunc) on_mouse_leave, data);
}
}
/** \brief Manage button press events
+ * \param item The GooCanvasItem object that received the button press event.
+ * \param target The target of the event (what?).
+ * \param event Event data, such as X and Y coordinates.
+ * \param data User data; points to the GtkSkyAtGlance object.
+ * \return Always TRUE to prevent further propagation of the event.
*
- * This function is called when a mouse button is pressed on a satellite object.
- * If the pressed button is #3 (right button) the satellite popup menu will be
- * created and executed.
+ * This function is called when a mouse button is pressed on a satellite pass object.
+ * If the pressed button is 1 (left) pass details will be show.
*/
static gboolean
on_button_press (GooCanvasItem *item,
- GooCanvasItem *target,
- GdkEventButton *event,
- gpointer data)
+ GooCanvasItem *target,
+ GdkEventButton *event,
+ gpointer data)
{
/* GooCanvasItemModel *model = goo_canvas_item_get_model (item); */
/* GtkSkyGlance *skg = GTK_SKY_GLANCE (data); */
@@ -701,56 +723,143 @@
switch (event->button) {
- /* pop-up menu */
- case 3:
+ default:
+ sat_log_log (SAT_LOG_LEVEL_DEBUG,
+ _("%s::%s: Button %d has no function..."),
+ __FILE__, __FUNCTION__, event->button);
break;
+ }
- default:
- break;
- }
-
-
-
- return TRUE;
+ return TRUE;
}
/** \brief Manage button release events.
+ * \param item The GooCanvasItem object that received the button press event.
+ * \param target The target of the event (what?).
+ * \param event Event data, such as X and Y coordinates.
+ * \param data User data; points to the GtkSkyAtGlance object.
+ * \return Always TRUE to prevent further propagation of the event.
*
* This function is called when the mouse button is released above
- * a satellite object. It will act as a button click and if the relesed
- * button is the left one, the clock will correspond to selecting or
- * deselecting a satellite
+ * a satellite pass object.
+ *
+ * We do not currently use this for anything.
*/
static gboolean
on_button_release (GooCanvasItem *item,
- GooCanvasItem *target,
- GdkEventButton *event,
- gpointer data)
+ GooCanvasItem *target,
+ GdkEventButton *event,
+ gpointer data)
{
-/* GooCanvasItemModel *model = goo_canvas_item_get_model (item); */
-/* GtkSkyGlance *skg = GTK_SKY_GLANCE (data); */
+ GooCanvasItemModel *item_model = goo_canvas_item_get_model (item);
+ GtkSkyGlance *skg = GTK_SKY_GLANCE (data);
+
+ /* get pointer to pass_t structure */
+ pass_t *pass = (pass_t *) g_object_get_data(G_OBJECT(item_model), "pass");
+ pass_t *new_pass;
+
+
+ if G_UNLIKELY(pass == NULL) {
+ sat_log_log (SAT_LOG_LEVEL_BUG,
+ _("%s::%s: Could not retrieve pass_t object"),
+ __FILE__, __FUNCTION__);
+ return TRUE;
+ }
+
+
switch (event->button) {
- /* Select / de-select satellite */
+ /* LEFT button released */
case 1:
+ new_pass = copy_pass (pass);
+ sat_log_log (SAT_LOG_LEVEL_BUG,
+ _("%s::%s: Showing pass details for %s - we may have a memory leak here"),
+ __FILE__, __FUNCTION__, pass->satname);
+ /* show the pass details */
+ show_pass (pass->satname, skg->qth, new_pass, NULL);
+
break;
default:
+ sat_log_log (SAT_LOG_LEVEL_DEBUG,
+ _("%s::%s: Button %d has no function..."),
+ __FILE__, __FUNCTION__, event->button);
break;
}
+ return TRUE;
+}
+
+/** \brief Manage mouse-enter events on canvas items (satellite pass boxes)
+ * \param item The GooCanvasItem that received the signal
+ * \param target_item The target if the even (have no idea what this is...)
+ * \param event Info about the event
+ * \param data Pointer to the GtkSkyAtGlance object
+ * \return Always TRUE to prevent further propagation of the event.
+ *
+ * This function is used to be notified when the mouse enters over a satellite
+ * pass box. When this happens the user is presented with brief info about the
+ * satellite pass and a suggestion to click on the box for more info.
+ */
+static gboolean on_mouse_enter (GooCanvasItem *item,
+ GooCanvasItem *target_item,
+ GdkEventCrossing *event,
+ gpointer data)
+{
+ GooCanvasItemModel *item_model = goo_canvas_item_get_model (item);
+ GtkSkyGlance *skg = GTK_SKY_GLANCE (data);
+
+ /* get pointer to pass_t structure */
+ pass_t *pass = (pass_t *) g_object_get_data(G_OBJECT(item_model), "pass");
+ if G_UNLIKELY(pass == NULL) {
+ sat_log_log (SAT_LOG_LEVEL_BUG,
+ _("%s::%s: Could not retrieve pass_t object"),
+ __FILE__, __FUNCTION__);
+ return TRUE;
+ }
+
+
+
+
+ //g_print("Mouse enter: %s AOS:\n");
+
return TRUE;
}
+/** \brief Manage mouse-leave events on canvas items (satellite pass boxes)
+ * \param item The GooCanvasItem that received the signal
+ * \param target_item The target if the even (have no idea what this is...)
+ * \param event Info about the event
+ * \param data Pointer to the GtkSkyAtGlance object
+ * \return Always TRUE to prevent further propagation of the event.
+ *
+ * This function is used to be notified when the mouse leaves a satellite
+ * pass box. When this happens the information about the pass is cleared.
+ */
+static gboolean on_mouse_leave (GooCanvasItem *item,
+ GooCanvasItem *target_item,
+ GdkEventCrossing *event,
+ gpointer data)
+{
+ g_print("Mouse leave\n");
+
+ return TRUE;
+}
+
+
+
+
+
/** \brief Convert time value to x position.
* \param skg The GtkSkyGlance widget.
- * \param t Julian date
+ * \param t Julian dateuser is presented with brief info about the
+ * satellite pass and a suggestion to click on the box for more info.
* \return X coordinate.
*
* No error checking is made to ensure that we are within visible range.
@@ -913,12 +1022,17 @@
tmppass = (pass_t *) g_slist_nth_data (passes, i);
skypass->pass = copy_pass (tmppass);
skypass->box = goo_canvas_rect_model_new (root, 10, 10, 20, 20, /* dummy coordinates */
- "stroke-color-rgba", bcol,
- "fill-color-rgba", fcol,
- NULL);
-
- /* store pass data */
+ "stroke-color-rgba", bcol,
+ "fill-color-rgba", fcol,
+ NULL);
+
+ /* store this pass in list */
skg->passes = g_slist_append (skg->passes, skypass);
+
+ /* store a pointer to the pass data in the GooCanvasItem so that we
+ can access it later during various events, e.g mouse click */
+ g_object_set_data (G_OBJECT (skypass->box), "pass", skypass->pass);
+
}
else {
sat_log_log (SAT_LOG_LEVEL_ERROR,
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