src/tools-switch.cpp

   1 /*
   2  * Utility functions for switching tools (= contexts)
   3  *
   4  * Authors:
   5  *   bulia byak <bulia@dr.com>
   6  *
   7  * Copyright (C) 2003 authors
   8  *
   9  * Released under GNU GPL, read the file 'COPYING' for more information
  10  */
  11
  12
  13 #ifdef HAVE_CONFIG_H
  14 # include "config.h"
  15 #endif
  16
  17 #include "inkscape-private.h"
  18 #include "desktop.h"
  19 #include "desktop-handles.h"
  20 #include <glibmm/i18n.h>
  21
  22 #include <xml/repr.h>
  23
  24 #include "select-context.h"
  25 #include "node-context.h"
  26 #include "sp-path.h"
  27 #include "rect-context.h"
  28 #include "sp-rect.h"
  29 #include "arc-context.h"
  30 #include "sp-ellipse.h"
  31 #include "star-context.h"
  32 #include "sp-star.h"
  33 #include "spiral-context.h"
  34 #include "sp-spiral.h"
  35 #include "dyna-draw-context.h"
  36 #include "pen-context.h"
  37 #include "pencil-context.h"
  38 #include "text-context.h"
  39 #include "sp-text.h"
  40 #include "sp-flowtext.h"
  41 #include "gradient-context.h"
  42 #include "zoom-context.h"
  43 #include "dropper-context.h"
  44 #include "connector-context.h"
  45 #include "message-context.h"
  46
  47 #include "tools-switch.h"
  48
  49 static char const *const tool_names[] = {
  50     NULL,
  51     "tools.select",
  52     "tools.nodes",
  53     "tools.shapes.rect",
  54     "tools.shapes.arc",
  55     "tools.shapes.star",
  56     "tools.shapes.spiral",
  57     "tools.freehand.pencil",
  58     "tools.freehand.pen",
  59     "tools.calligraphic",
  60     "tools.text",
  61     "tools.gradient",
  62     "tools.zoom",
  63     "tools.dropper",
  64     "tools.connector",
  65     NULL
  66 };
  67
  68 static char const *const tool_ids[] = {
  69     NULL,
  70     "select",
  71     "nodes",
  72     "rect",
  73     "arc",
  74     "star",
  75     "spiral",
  76     "pencil",
  77     "pen",
  78     "calligraphic",
  79     "text",
  80     "gradient",
  81     "zoom",
  82     "dropper",
  83     "connector",
  84     NULL
  85 };
  86
  87 static int
  88 tools_id2num(char const *id)
  89 {
  90     int i = 1;
  91     while (tool_ids[i]) {
  92         if (strcmp(tool_ids[i], id) == 0)
  93             return i;
  94         else i++;
  95     }
  96     g_assert( 0 == TOOLS_INVALID );
  97     return 0; //nothing found
  98 }
  99
 100 int
 101 tools_isactive(SPDesktop *dt, unsigned num)
 102 {
 103     g_assert( num < G_N_ELEMENTS(tool_ids) );
 104     if (SP_IS_EVENT_CONTEXT(dt->event_context))
 105         return (!strcmp(dt->event_context->prefs_repr->attribute("id"), tool_ids[num]));
 106     else return FALSE;
 107 }
 108
 109 int
 110 tools_active(SPDesktop *dt)
 111 {
 112     return (tools_id2num(dt->event_context->prefs_repr->attribute("id")));
 113 }
 114
 115 void
 116 tools_switch(SPDesktop *dt, int num)
 117 {
 118     if (dt) {
 119         dt->_tool_changed.emit(num);
 120     }
 121
 122     switch (num) {
 123         case TOOLS_SELECT:
 124             dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
 125             /* fixme: This is really ugly hack. We should bind and unbind class methods */
 126             dt->activate_guides(true);
 127             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 128             break;
 129         case TOOLS_NODES:
 130             dt->set_event_context(SP_TYPE_NODE_CONTEXT, tool_names[num]);
 131             dt->activate_guides(true);
 132             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 133             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To edit a path, <b>click</b>, <b>Shift+click</b>, or <b>drag around</b> nodes to select them, then <b>drag</b> nodes and handles. <b>Click</b> on an object to select."));
 134             break;
 135         case TOOLS_SHAPES_RECT:
 136             dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
 137             dt->activate_guides(false);
 138             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 139             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a rectangle. <b>Drag controls</b> to round corners and resize. <b>Click</b> to select."));
 140             break;
 141         case TOOLS_SHAPES_ARC:
 142             dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
 143             dt->activate_guides(false);
 144             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 145             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create an ellipse. <b>Drag controls</b> to make an arc or segment. <b>Click</b> to select."));
 146             break;
 147         case TOOLS_SHAPES_STAR:
 148             dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
 149             dt->activate_guides(false);
 150             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 151             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a star. <b>Drag controls</b> to edit the star shape. <b>Click</b> to select."));
 152             break;
 153         case TOOLS_SHAPES_SPIRAL:
 154             dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
 155             dt->activate_guides(false);
 156             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 157             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a spiral. <b>Drag controls</b> to edit the spiral shape. <b>Click</b> to select."));
 158             break;
 159         case TOOLS_FREEHAND_PENCIL:
 160             dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
 161             dt->activate_guides(false);
 162             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 163             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a freehand line. Start drawing with <b>Shift</b> to append to selected path."));
 164             break;
 165         case TOOLS_FREEHAND_PEN:
 166             dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
 167             dt->activate_guides(false);
 168             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 169             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>click and drag</b> to start a path; with <b>Shift</b> to append to selected path."));
 170             break;
 171         case TOOLS_CALLIGRAPHIC:
 172             dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
 173             dt->activate_guides(false);
 174             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 175             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to paint a calligraphic stroke. <b>Left</b>/<b>right</b> arrow keys adjust width, <b>up</b>/<b>down</b> adjust angle."));
 176             break;
 177         case TOOLS_TEXT:
 178             dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
 179             dt->activate_guides(false);
 180             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 181             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
 182             break;
 183         case TOOLS_GRADIENT:
 184             dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
 185             dt->activate_guides(false);
 186             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 187             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> or <b>double click</b> to create a gradient on selected objects, <b>drag handles</b> to adjust gradients."));
 188             break;
 189         case TOOLS_ZOOM:
 190             dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
 191             dt->activate_guides(false);
 192             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 193             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>drag around an area</b> to zoom in, <b>Shift+click</b> to zoom out."));
 194             break;
 195         case TOOLS_DROPPER:
 196             dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
 197             dt->activate_guides(false);
 198             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 199             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to set fill, <b>Shift+click</b> to set stroke; <b>drag</b> to average color in area; with <b>Alt</b> to pick inverse color; <b>Ctrl+C</b> to copy the color under mouse to clipboard"));
 200             break;
 201         case TOOLS_CONNECTOR:
 202             dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
 203             dt->activate_guides(false);
 204             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 205             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
 206             break;
 207     }
 208 }
 209
 210 void
 211 tools_switch_current(int num)
 212 {
 213     SPDesktop *dt = SP_ACTIVE_DESKTOP;
 214     if (dt) tools_switch(dt, num);
 215 }
 216
 217 void tools_switch_by_item(SPDesktop *dt, SPItem *item)
 218 {
 219     if (SP_IS_RECT(item)) {
 220         tools_switch(dt, TOOLS_SHAPES_RECT);
 221     } else if (SP_IS_GENERICELLIPSE(item)) {
 222         tools_switch(dt, TOOLS_SHAPES_ARC);
 223     } else if (SP_IS_STAR(item)) {
 224         tools_switch(dt, TOOLS_SHAPES_STAR);
 225     } else if (SP_IS_SPIRAL(item)) {
 226         tools_switch(dt, TOOLS_SHAPES_SPIRAL);
 227     } else if (SP_IS_PATH(item)) {
 228         if (cc_item_is_connector(item)) {
 229             tools_switch(dt, TOOLS_CONNECTOR);
 230         }
 231         else {
 232             tools_switch(dt, TOOLS_NODES);
 233         }
 234     } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item))  {
 235         tools_switch(dt, TOOLS_TEXT);
 236     }
 237 }
 238
 239 /*
 240   Local Variables:
 241   mode:c++
 242   c-file-style:"stroustrup"
 243   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 244   indent-tabs-mode:nil
 245   fill-column:99
 246   End:
 247 */
 248 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :