comparison: ui/common/action.c
ui/common/action.c
- changeset 1092
- 0accf125a65f
- parent 1066
- afe02792303d
equal
deleted
inserted
replaced
| 1091:1524b5dc4d4d | 1092:0accf125a65f |
|---|---|
| 47 action.name = ui_strdup(ctx, name); | 47 action.name = ui_strdup(ctx, name); |
| 48 action.callback = callback; | 48 action.callback = callback; |
| 49 action.userdata = userdata; | 49 action.userdata = userdata; |
| 50 action.accelerator = accelerator ? ui_strdup(ctx, accelerator) : NULL; | 50 action.accelerator = accelerator ? ui_strdup(ctx, accelerator) : NULL; |
| 51 action.accelerator_text = accelerator_text ? ui_strdup(ctx, accelerator_text) : NULL; | 51 action.accelerator_text = accelerator_text ? ui_strdup(ctx, accelerator_text) : NULL; |
| 52 action.ctx = ctx; | |
| 52 cxMapPut(ctx->actions, name, &action); | 53 cxMapPut(ctx->actions, name, &action); |
| 53 cxMapRehash(ctx->actions); | 54 cxMapRehash(ctx->actions); |
| 54 } | 55 } |
| 55 | 56 |
| 56 void uic_bind_action( | 57 void uic_bind_action( |
| 57 UiContext *ctx, | 58 UiContext *ctx, |
| 58 const char *action, | 59 const char *action, |
| 59 void *bind_obj, | 60 void *bind_obj, |
| 60 ui_action_binding_set_enabled_func set_enabled, | 61 ui_enablefunc set_enabled) |
| 61 ui_action_binding_set_accelerator_text_func set_accelerator_text) | |
| 62 { | 62 { |
| 63 if(!action) { | 63 if(!action) { |
| 64 return; | 64 return; |
| 65 } | 65 } |
| 66 | 66 |
| 67 UiActionBinding binding; | 67 UiActionBinding binding; |
| 68 binding.action = ui_strdup(ctx, action); | 68 binding.action = ui_strdup(ctx, action); |
| 69 binding.userdata = bind_obj; | 69 binding.userdata = bind_obj; |
| 70 binding.set_enabled = set_enabled; | 70 binding.set_enabled = set_enabled; |
| 71 binding.set_accelerator_text = set_accelerator_text; | |
| 72 cxListAdd(ctx->action_bindings, &binding); | 71 cxListAdd(ctx->action_bindings, &binding); |
| 73 } | 72 } |
| 73 | |
| 74 UiAction* uic_resolve_action(UiContext *ctx, const char *action) { | |
| 75 UiAction *a = NULL; | |
| 76 if(ctx->actions) { | |
| 77 a = cxMapGet(ctx->actions, action); | |
| 78 } | |
| 79 // check if any sub-document defines this action | |
| 80 // sub-document actions have precedence, the most specific action will | |
| 81 // be returned | |
| 82 CxIterator i = cxListIterator(ctx->documents); | |
| 83 cx_foreach(void *, doc, i) { | |
| 84 UiContext *doc_ctx = ui_document_context(doc); | |
| 85 UiAction *sub_action = uic_resolve_action(doc_ctx, action); | |
| 86 if(sub_action) { | |
| 87 a = sub_action; | |
| 88 // if one sub-tree has an action, we don't care about other | |
| 89 // subtrees | |
| 90 break; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 if(!a && ctx->parent) { | |
| 95 // check parents | |
| 96 a = uic_resolve_action_from_parents(ctx, action); | |
| 97 } | |
| 98 | |
| 99 return a; | |
| 100 } | |
| 101 | |
| 102 UiAction* uic_resolve_action_from_parents(UiContext *ctx, const char *action) { | |
| 103 UiContext *parent = ctx->parent; | |
| 104 if(parent == NULL) { | |
| 105 return NULL; | |
| 106 } | |
| 107 if(parent->actions) { | |
| 108 UiAction *a = cxMapGet(parent->actions, action); | |
| 109 if(a) { | |
| 110 return a; | |
| 111 } | |
| 112 } | |
| 113 return uic_resolve_action_from_parents(parent, action); | |
| 114 } | |
| 115 | |
| 116 | |
| 117 | |
| 118 void ui_update_action_bindings(UiContext *ctx) { | |
| 119 CxIterator i = cxListIterator(ctx->action_bindings); | |
| 120 cx_foreach(UiActionBinding*, binding, i) { | |
| 121 UiAction *action = uic_resolve_action(ctx, binding->action); | |
| 122 if(binding->set_enabled) { | |
| 123 binding->set_enabled(binding->userdata, action != NULL); | |
| 124 } | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 void uic_action_callback(UiEvent *event, const char *action_name) { | |
| 129 UiContext *ctx = ui_global_context(); | |
| 130 if(event->obj) { | |
| 131 ctx = event->obj->ctx; | |
| 132 } | |
| 133 | |
| 134 UiAction *action = uic_resolve_action(ctx, action_name); | |
| 135 if(action) { | |
| 136 // override event document: for actions we know that the event is | |
| 137 // for a specific document | |
| 138 event->document = action->ctx->self_doc; | |
| 139 if(action->callback) { | |
| 140 action->callback(event, action->userdata); | |
| 141 } | |
| 142 } | |
| 143 } |
