X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/33288048f694a84b9c40653f0b72b4ce44a94ab1..e9e8a16d359c900f114853eb0e407a8064e4350c:/disobedience/settings.c

diff --git a/disobedience/settings.c b/disobedience/settings.c
index a5ea53f..3450085 100644
--- a/disobedience/settings.c
+++ b/disobedience/settings.c
@@ -37,9 +37,124 @@
 /** @brief HTML displayer */
 const char *browser = BROWSER;
 
+/** @brief Default style for layouts */
+GtkStyle *layout_style;
+
+/** @brief Title-row style for layouts */
+GtkStyle *title_style;
+
+/** @brief Even-row style for layouts */
+GtkStyle *even_style;
+
+/** @brief Odd-row style for layouts */
+GtkStyle *odd_style;
+
+/** @brief Active-row style for layouts */
+GtkStyle *active_style;
+
+/** @brief Style for tools */
+GtkStyle *tool_style;
+
+/** @brief Style for search results */
+GtkStyle *search_style;
+
+/** @brief Style for drag targets */
+GtkStyle *drag_style;
+
+/** @brief Table of styles */
+static const struct {
+  const char *name;
+  GtkStyle **style;
+} styles[] = {
+  { "layout", &layout_style },
+  { "title", &title_style },
+  { "even", &even_style },
+  { "odd", &odd_style },
+  { "active", &active_style },
+  { "tool", &tool_style },
+  { "search", &search_style },
+  { "drag", &drag_style },
+};
+
+#define NSTYLES (sizeof styles / sizeof *styles)
+
+/** @brief Table of state types */
+static const char *const states[] = {
+  "normal",
+  "active",
+  "prelight",
+  "selected",
+  "insensitive"
+};
+
+#define NSTATES (sizeof states / sizeof *states)
+
+/** @brief Table of colors */
+static const struct {
+  const char *name;
+  size_t offset;
+} colors[] = {
+  { "fg", offsetof(GtkStyle, fg) },
+  { "bg", offsetof(GtkStyle, bg) },
+};
+
+#define NCOLORS (sizeof colors / sizeof *colors)
+
+/** @brief Initialize styles */
+void init_styles(void) {
+  layout_style = gtk_style_new();
+  title_style = gtk_style_new();
+  even_style = gtk_style_new();
+  odd_style = gtk_style_new();
+  active_style = gtk_style_new();
+  search_style = gtk_style_new();
+  tool_style = gtk_style_new();
+  drag_style = gtk_style_new();
+
+  /* Style defaults */
+    
+  /* Layouts are basically black on white */
+  layout_style->bg[GTK_STATE_NORMAL] = layout_style->white;
+  layout_style->fg[GTK_STATE_NORMAL] = layout_style->black;
+    
+  /* Title row is inverted */
+  title_style->bg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+  title_style->fg[GTK_STATE_NORMAL] = layout_style->bg[GTK_STATE_NORMAL];
+
+  /* Active row is pastel green */
+  active_style->bg[GTK_STATE_NORMAL].red = 0xE000;
+  active_style->bg[GTK_STATE_NORMAL].green = 0xFFFF;
+  active_style->bg[GTK_STATE_NORMAL].blue = 0xE000;
+  active_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+
+  /* Even rows are pastel red */
+  even_style->bg[GTK_STATE_NORMAL].red = 0xFFFF;
+  even_style->bg[GTK_STATE_NORMAL].green = 0xEC00;
+  even_style->bg[GTK_STATE_NORMAL].blue = 0xEC00;
+  even_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+
+  /* Odd rows match the underlying layout */
+  odd_style->bg[GTK_STATE_NORMAL] = layout_style->bg[GTK_STATE_NORMAL];
+  odd_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+
+  /* Search results have a yellow background */
+  search_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+  search_style->bg[GTK_STATE_NORMAL].red = 0xFFFF;
+  search_style->bg[GTK_STATE_NORMAL].green = 0xFFFF;
+  search_style->bg[GTK_STATE_NORMAL].blue = 0x0000;
+
+  /* Drag targets are grey */
+  drag_style->bg[GTK_STATE_NORMAL].red = 0x6666;
+  drag_style->bg[GTK_STATE_NORMAL].green = 0x6666;
+  drag_style->bg[GTK_STATE_NORMAL].blue = 0x6666;
+  
+  /* Tools we leave at GTK+ defaults */
+}
+
 void save_settings(void) {
   char *dir, *path, *tmp;
   FILE *fp = 0;
+  size_t n, m, c;
 
   byte_xasprintf(&dir, "%s/.disorder", getenv("HOME"));
   byte_xasprintf(&path, "%s/disobedience", dir);
@@ -50,11 +165,27 @@ void save_settings(void) {
                tmp, strerror(errno));
     goto done;
   }
-  /* TODO */
+  if(fprintf(fp,
+             "# automatically generated!\n\n") < 0)
+    goto write_error;
+  for(n = 0; n < NSTYLES; ++n)
+    for(c = 0; c < NCOLORS; ++c)
+      for(m = 0; m < NSTATES; ++m) {
+        const GdkColor *color = (GdkColor *)((char *)styles[n].style + colors[c].offset) + m;
+        if(fprintf(fp, "color %8s %12s %s 0x%04x 0x%04x 0x%04x\n",
+                   styles[n].name, states[m], colors[c].name,
+                   color->red,
+                   color->green,
+                   color->blue) < 0)
+          goto write_error;
+      }
+  if(fprintf(fp, "browser %s\n", browser) < 0)
+    goto write_error;
   if(fclose(fp) < 0) {
+    fp = 0;
+  write_error:
     fpopup_msg(GTK_MESSAGE_ERROR, "error writing to %s: %s",
                tmp, strerror(errno));
-    fp = 0;
     goto done;
   }
   fp = 0;
@@ -75,6 +206,7 @@ void load_settings(void) {
   FILE *fp;
   char **vec;
   int nvec;
+  size_t n, m, c;
 
   byte_xasprintf(&path, "%s/.disorder/disobedience", getenv("HOME"));
   if(!(fp = fopen(path, "r"))) {
@@ -87,11 +219,39 @@ void load_settings(void) {
          || !nvec)
         continue;
       if(!strcmp(vec[0], "color")) {
-        if(nvec != 5) {
+        GdkColor *color;
+        if(nvec != 7) {
           error(0, "%s: malformed '%s' command", path, vec[0]);
           continue;
         }
-        /* TODO */
+        for(n = 0; n < NSTYLES && strcmp(styles[n].name, vec[1]); ++n)
+          ;
+        if(n >= NSTYLES) {
+          error(0, "%s: unknown style '%s'", path, vec[1]);
+          continue;
+        }
+        for(m = 0; m < NSTATES && strcmp(states[m], vec[2]); ++m)
+          ;
+        if(m >= NSTATES) {
+          error(0, "%s: unknown state '%s'", path, vec[2]);
+          continue;
+        }
+        for(c = 0; c < NCOLORS && strcmp(colors[c].name, vec[3]); ++c)
+          ;
+        if(c >= NCOLORS) {
+          error(0, "%s: unknown color '%s'", path, vec[3]);
+          continue;
+        }
+        color = (GdkColor *)((char *)styles[n].style + colors[c].offset) + m;
+        color->red = strtoul(vec[4], 0, 0);
+        color->green = strtoul(vec[5], 0, 0);
+        color->blue = strtoul(vec[6], 0, 0);
+      } else if(!strcmp(vec[0], "browser")) {
+        if(nvec != 2) {
+          error(0, "%s: malformed '%s' command", path, vec[0]);
+          continue;
+        }
+        browser = vec[1];
       } else
         /* mention errors but otherwise ignore them */
         error(0, "%s: unknown command '%s'", path, vec[0]);
@@ -122,79 +282,68 @@ void set_tool_colors(GtkWidget *w) {
     set_tool_colors(child);
 }
 
-/** @brief Default style for layouts */
-GtkStyle *layout_style;
-
-/** @brief Title-row style for layouts */
-GtkStyle *title_style;
-
-/** @brief Even-row style for layouts */
-GtkStyle *even_style;
-
-/** @brief Odd-row style for layouts */
-GtkStyle *odd_style;
-
-/** @brief Active-row style for layouts */
-GtkStyle *active_style;
-
-/** @brief Style for tools */
-GtkStyle *tool_style;
-
-/** @brief Style for search results */
-GtkStyle *search_style;
-
-/** @brief Style for drag targets */
-GtkStyle *drag_style;
-
-/** @brief Initialize styles */
-void init_styles(void) {
-  layout_style = gtk_style_new();
-  title_style = gtk_style_new();
-  even_style = gtk_style_new();
-  odd_style = gtk_style_new();
-  active_style = gtk_style_new();
-  search_style = gtk_style_new();
-  tool_style = gtk_style_new();
-  drag_style = gtk_style_new();
+/** @brief Pop up a settings editor widget */
+void popup_settings(void) {
+  static GtkWidget *settings_window;
+  GtkWidget *table;
+  unsigned row, col;
 
-  /* Style defaults */
-    
-  /* Layouts are basically black on white */
-  layout_style->bg[GTK_STATE_NORMAL] = layout_style->white;
-  layout_style->fg[GTK_STATE_NORMAL] = layout_style->black;
-    
-  /* Title row is inverted */
-  title_style->bg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
-  title_style->fg[GTK_STATE_NORMAL] = layout_style->bg[GTK_STATE_NORMAL];
-
-  /* Active row is pastel green */
-  active_style->bg[GTK_STATE_NORMAL].red = 0xE000;
-  active_style->bg[GTK_STATE_NORMAL].green = 0xFFFF;
-  active_style->bg[GTK_STATE_NORMAL].blue = 0xE000;
-  active_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
-
-  /* Even rows are pastel red */
-  even_style->bg[GTK_STATE_NORMAL].red = 0xFFFF;
-  even_style->bg[GTK_STATE_NORMAL].green = 0xEC00;
-  even_style->bg[GTK_STATE_NORMAL].blue = 0xEC00;
-  even_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
-
-  /* Odd rows match the underlying layout */
-  odd_style->bg[GTK_STATE_NORMAL] = layout_style->bg[GTK_STATE_NORMAL];
-  odd_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
+  if(settings_window) { 
+    gtk_window_present(GTK_WINDOW(settings_window));
+    return;
+  }
+  /* Create the window */
+  settings_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_widget_set_style(settings_window, tool_style);
+  gtk_window_set_title(GTK_WINDOW(settings_window), "Disobedience Settings");
+  /* Clear the pointer to the window widget when it is closed */
+  g_signal_connect(settings_window, "destroy",
+		   G_CALLBACK(gtk_widget_destroyed), &settings_window);
 
-  /* Search results have a yellow background */
-  search_style->fg[GTK_STATE_NORMAL] = layout_style->fg[GTK_STATE_NORMAL];
-  search_style->bg[GTK_STATE_NORMAL].red = 0xFFFF;
-  search_style->bg[GTK_STATE_NORMAL].green = 0xFFFF;
-  search_style->bg[GTK_STATE_NORMAL].blue = 0x0000;
+  /* The color settings live in a big table */
+  table = gtk_table_new(2 * NSTYLES + 1/*rows */, NSTATES + 1/*cols*/,
+                        TRUE/*homogeneous*/);
+  /* Titles */
+  for(row = 0; row < 2 * NSTYLES; ++row) {
+    char *legend;
 
-  /* Drag targets are grey */
-  drag_style->bg[GTK_STATE_NORMAL].red = 0x6666;
-  drag_style->bg[GTK_STATE_NORMAL].green = 0x6666;
-  drag_style->bg[GTK_STATE_NORMAL].blue = 0x6666;
-  
-  /* Tools we leave at GTK+ defaults */
+    byte_xasprintf(&legend, "%s %s", styles[row / 2].name,
+                   row % 2 ? "background" : "foreground");
+    gtk_table_attach(GTK_TABLE(table),
+                     gtk_label_new(legend),
+                     0, 1,
+                     row + 1, row + 2,
+                     GTK_FILL, GTK_FILL,
+                     1, 1);
+  }
+  for(col = 0; col < NSTATES; ++col) {
+    gtk_table_attach(GTK_TABLE(table),
+                     gtk_label_new(states[col]),
+                     col + 1, col + 2,
+                     0, 1,
+                     GTK_FILL, GTK_FILL,
+                     1, 1);
+  }
+  /* The actual colors */
+  for(row = 0; row < 2 * NSTYLES; ++row) {
+    for(col = 0; col <  NSTATES; ++col) {
+      GdkColor *const c = &(row % 2
+                            ? (**styles[row / 2].style).bg
+                            : (**styles[row / 2].style).fg)[col];
+      gtk_table_attach(GTK_TABLE(table),
+                       gtk_color_button_new_with_color(c),
+                       col + 1, col + 2,
+                       row + 1, row + 2,
+                       GTK_FILL, GTK_FILL,
+                       1, 1);
+    }
+  }
+  gtk_container_add(GTK_CONTAINER(settings_window), table);
+  gtk_widget_show_all(settings_window);
+  /* TODO: save settings
+     TODO: web browser
+     TODO: impose settings when they are set
+  */
 }
 
 /*